Imagine that you are a doctor in a maternity ward. During your last shift, 20 babies are born. 10 had blue eyes and 10 had brown eyes. Remember genotypes are the two alleles given for each trait, written with a letter. For this activity B= brown eyes and B= blue eyes. Phenotypes are the physical appearance of that trait. What percentage of babies have brown and blue eyes (to find percent divide the total number of blue eyed babies by the total number of babies born. You should get a decimal number. Just use the first two numbers as the percent. If your answer is .25 you would have 25%.
Answers
The percentage of babies with blue eyes and with brown eyes is equal i.e., 50% or 1/2. This is because, twenty babies were born out of which 10 have blue eyes and 10 have brown eyes.
What is Phenotype?
The phenotype is the set of observable characteristics or traits of an organism which are easily visible. The term phenotype covers an organism's morphology or physical form, its developmental processes, biochemical and physiological properties, behavior, and the products of the behavior shown by the organism.
In the maternity ward, 20 babies were born in the last shift, out of these 10 had blue eyes and 10 had brown eyes i.e., equal proportion of blue and brown-eyed babies.
The percentage of babies with blue eyes = (number of babies with blue eyes divided by total number of babies) × 100
Thus, Percentage of babies with blue eyes = 10/ 20 × 100
Percentage of Blue-eyed babies = 1/2 × 100
Percentage of blue-eyed babies = 50%
The same formula can be used to find the percentage of brown-eyed babies.
Thus, Percentage of babies with brown eyes = 10/ 20 × 100
Percentage of Brown-eyed babies = 1/2 × 100
Percentage of brown-eyed babies = 50%
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Related Questions
During a third-trimester ultrasound, what would a doctor expect to observe in a fetus?
initial development of organs
response to noise and light
presence of a tail-like structure
the first heartbeat
Answers
During a third-trimester ultrasound, what would a doctor expect to observe the first heartbeat in a fetus.
What are the stages of development of a fetus?The method of prenatal development occurs in 3 stages.
The first 2nd weeks after conceiving are called as the germinal stage, the 3rd through the 8th week is called as the embryonic stage, and the time from the 9thweek tillbirth is called as the fetal period.
Thus, option "D" is correct, as other parts develop at a later stage.
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Answer: B)response to noise and light
Explanation: This was the correct answer for me on my quiz, but u might be using a different website........hope this helps tho! (the quiz was on endgenuity)
Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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1）Fishing boats have decreased the number of herring in the sea. Explain why that could affect the number of offspring puffins can raise.
2） Which animals have a bigger food supply now there are fewer herrings?
3） Global warming is expected to reduce the biomass of phytoplankton in the oceans. What effect will that have on the rest of the food web?
Answers
Explanation:
1) When the number of herrings decrease, the food available for the puffins decrease and therefore they will not be able to feed their offspring. This will cause the number of offspring to decrease.
2) Any other animal(s) which hunts and eats the same prey as a herring will now have a bigger food supply.
3) When the biomass of phytoplankton decrease, the next animal in the food web will not have any food and their numbers will decrease, decreasing the number of the animals next in the web, as they too lose their food. This will continue for the rest of the food web and the number of animals will decrease.
If the farmer selects for cows producing more butterfat in their milk, what will be the most likely effect on milk protein content in the next generation?
Answers
If the farmer selects for cows producing more butterfat in their milk, it is difficult to predict the effect on milk protein content in the next generation, as the two traits are not necessarily linked.
Milk fat and milk protein are both complex traits controlled by multiple genes and influenced by various environmental factors. Therefore, selecting for one trait (i.e., milk fat content) does not necessarily mean that the other trait (i.e., milk protein content) will be affected in a predictable way.
However, if the farmer uses selective breeding to consistently produce cows with higher butterfat content over multiple generations, it could potentially lead to unintended changes in other traits, including milk protein content, due to genetic linkage or pleiotropic effects.
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plasesssss helppppp meeeee
Answers
Answer:
zy
Explanation:
zy
What is the arrow pointing to?
hydrogen ion
water
hydroxide ion
proton
hydronium ion
Answers
The arrow points to the hydroxide ion.
What is an ion?
An ion is a specie that is formed by the loss or gain of electrons. Thus any specie that carries a charge whether positive or negative could be called an ion. In this case, we have a system that has three ions in it. The hydrogen ions, the hydroxide ions and the hydronium ions.
As we can see, the red color stands for oxygen, the grey color stands for hydrogen. Looking at the image, we can see that the direction in which the arrow point is a specie that has only red and ash colors thus this corresponds to the hydroxide ion.
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What is the difference between a theory and a
law?
A. A law is a uniform constant of nature,
whereas a theory can still be questioned
and falsified
B. A theory is a defined fact, whereas a law is
only a hypothesis
C. Both are true
D. Neither are true
Which is most correct when testing
a hypothesis?
A. If the hypothesis is rejected, the experiment
was a failure
B. The hypothesis can be proven true
C. The hypothesis can be rejected or
accepted
D. All of the above
What happens when there is bias
in an experiment?
Graphs, charts, and calculations
are what form of data?
A. The results are more accurate
B. Personal opinion gets in the way
C. The hypothesis is proved wrong
D. The experiment is not repeatable
A. Variable data
B. Correlation data
C. Qualitative data
D. Quantitative data
Answers
Answer:
#1-c
#2-d
#3-a
#4-a
Explanation:
can someone please help me please. i need to raise my grade for this class and today is the last day.
Answers
Answer:
yes I will help
Explanation:
yes I will help you
Answer:
Pathogen #2
Explanation:
The immune system RESPONDS to pathogens by creating an antibody, and if you look closely at the shape of the pathogen compared to the antibody, it makes most sense that it would be created in response to this one.
(GIVING BRAINLIEST!!)
A) It causes precipitation to form and collect in the ocean.
B) It warms the clouds in the sky and causes precipitation.
C) It warms the water on the Earth's surface and causes it to evaporate.
D) It warms the water vapor in the clouds and turns it into water droplets.
Answers
Answer:
d
Explanation:
It warms the water vapor in the clouds and turns it into water droplets.
The process involved in the formation of rains is option B, it warms the clouds in the sky and causes precipitation.
What is water cycle ?Water cycle is a geological phenomenon through which the water content in the atmosphere and hydrosphere is balanced. The heat radiated from sun warm up the water bodies make the convection currents that evaporates water.
The water vapor rise to the atmosphere and maintain the air moisture. When this vapor cools down they condense and precipitates as rain, snow or sleek.
This process involves the transfer of heat energy and matter. Here, the matter is water itself with its three phases. Hence, option b describes the cause of rain.
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Your question is incomplete. Your complete question probably was as follows:
Which process describes the cause of rain ?
It causes precipitation to form and collect in the ocean.
B) It warms the clouds in the sky and causes precipitation.
C) It warms the water on the Earth's surface and causes it to evaporate.
D) It warms the water vapor in the clouds and turns it into water droplets.
When using cladograms, organisms are named and classified by their what?
Answers
Answer:
Linnaeus' system, organisms are grouped together and organized into seven types of categories. The categories are based upon structural characteristics shared by the organisms. They are, from largest to smallest – kingdom, phylum, class, order, family, genus, species.
Which factors make sequencing by the sanger chain-termination method possible? select all that apply.
Answers
By using electrophoresis, duplex nucleic acid molecules can be divided into different sizes. It is impossible to extend a DNA strand whose 3' end ends in a dideoxynucleotide. A duplex molecule can be created when two sequences of single-stranded nucleic acids come together.
On several kinds of filter paper, single-stranded nucleic acid molecules can become immobilized. The Sanger Chain technique of sequencing is accomplished by adding new nucleotides only to the 3' end of a developing DNA strand.
Frederick Sanger created a technique for DNA sequencing in 1977 known as Sanger sequencing, often referred to as chain-termination sequencing. This technique relies on DNA polymerase amplifying the DNA fragment that will be sequenced and adding modified nucleotides, specifically dideoxynucleotides (ddNTPs).
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Abiotic factors that affect population growth and demographics are also referred to as which of the following?
A. density-dependent factors
B. density-independent factors
C. density-unrelated factors
D. density-diversity factors
Answers
Abiotic factors that affect population growth and demographics in organisms are referred to as B. density-independent factors.
What are the abiotic factors that can affect population growth?
Population growth and demographics are heavily influenced by the density of organisms within a given area. Density-dependent factors include biotic factors such as competition for resources, predation, and disease, which become more influential as the population density increases.
In contrast, density-independent factors such as natural disasters and climate change affect populations regardless of their density. These factors include environmental elements such as temperature, natural disasters, and availability of resources. They can affect population growth and density regardless of the number of organisms in the area.
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when you go from tooth side -> outer layer of plaque
what GRAM do you have?
Answers
When you move from the tooth side to the outer layer of plaque, the gram count can vary depending on the level of dental hygiene.
Plaque is a sticky, colorless film that can accumulate on teeth, especially when proper oral hygiene practices such as brushing and flossing are not regularly followed.
As plaque builds up, it can become more visible and thicker, and the gram count can increase. Generally, plaque has a gram count of approximately 1,000,000,000 per milliliter.
However, this number can fluctuate based on various factors, including the individual's oral hygiene practices, diet, and other health factors.
Maintaining proper oral hygiene practices is essential in preventing the buildup of plaque and reducing the risk of dental problems such as cavities and gum disease.
The transition from the tooth side to the outer layer of plaque involves a gradual increase in bacterial accumulation. Plaque is a biofilm that forms on the surface of teeth, primarily consisting of bacteria, along with food debris and saliva.
The weight of plaque on an individual tooth is typically less than a gram, as plaque is a thin layer that covers the tooth surface.
Maintaining good oral hygiene, such as regular brushing and flossing, helps in removing plaque and preventing dental issues like cavities and gum disease.
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How to pronounce punnet squares?
Answers
Answer: puh-net
Explanation:
A study was conducted to understand the factors controlling the rate at
which molecules or ions travel across cell membranes. An artificial
membrane was created that was composed of a phospholipid bilayer only.
The speed at which various substances crossed this membrane was
measured. Some substances can pass through an actual cell membrane
much faster than they passed through the artificial membrane in this study
Which of the following statements best explains this finding?"
Actual cell membranes have a much thicker phospholipid bilayer than the artificial
membrane does
Actual cell membranes have a variety of proteins embedded in the membrane that are
absent in the artificial membrane
Hydrophobic substances spend more time between the two layers of phospholipid in
the artificial membrane than they do between the layers in an actual membrane
Hydrophilic substand spend more time attached to the polar region of the
phospholipids in the artificial membrane than they do attached to the polar region of
the phospholipid in an actual membrane
Answers
Answer:
hhkiyrefhisoiydhdhusudhdxnydeyruekzkususususuusususuushxhxhhehiiffy
Explanation:
Christmas going find origin Odyssey poetic
Which statement best describes why a cell spends the majority of its time in interphase
Answers
The cell spends the majority of its time in interphase because it is the phase where adequate preparation for nuclear division occurs.
What is cell cycle?The cell cycle refers to the series of processes that leads to the formation of daughter cells from a single cell.
The cell cycle involves two phases majorly:
interphasemitotic phaseThe interphase is also called the resting phase of the cell cycle. It is the phase where the cell performs the following actions in preparation for nuclear division:
DNA replicationcell enlargementduplication of certain organellesTherefore, the cell spends the majority of its time in interphase because it is the phase where adequate preparation for nuclear division occurs.
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what is the relationship between trophic level and population size
Answers
Population size is the number of individuals in a population. Population density is the average number of individuals per unit of area or volume.
what element is an element?
carbon dioxide
water
hydrogen
or air
Answers
Carbon dioxide is a chemical compound, 2 oxygen and a single carbon atom.
Air is a mixture of elements.
And hydrogen is an element
Explain how blood type contributes to your identity.
Answers
Answer:
Each biological parent gives one of their two ABO alleles to their child. For example, a father who has blood type AB has the genotype AB, so he can give either an A or a B allele to a child of his. If the mother has blood type O, her genotype must be OO, and she can only give an O allele to a child.
Type AB blood
Type O blood
Type A blood
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Where do fireflies get the energy storage molecules they need to do the activities required for reproduction?
Answers
The fireflies get the energy that they need from the food that they consume
'Where do fireflies get the energy storage molecules they need to do the activities required for reproduction?Fireflies, like all living organisms, obtain the energy they need from the food they consume. Fireflies are carnivorous insects that typically feed on other insects, such as snails, slugs, and worms, during their larval stage. As adults, fireflies may not eat at all or consume nectar and pollen from flowers.
The energy from the food that fireflies consume is stored in the form of a molecule called adenosine triphosphate (ATP), which is used to power various cellular processes, including those required for reproduction. Fireflies use this stored energy to produce light during their courtship displays, which is essential for finding and attracting mates.
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which is a gamete?
A. testis
B. steroid
C. sperm
D.progesterone
Answers
C , sperm is a gamete in a male
Please!!!! Please someone help!!!
Answers
Solid tumors are clusters of cancer cells and often contain blood vessels. When molecule B binds to the wild-type Brec protein in the plasma membrane of certain solid tumor cancer cells (Figure 1), the cancer cells express the membrane protein A and sometimes stimulate increased growth of blood vessels into the tumors.
Cells with a particular mutation in the Brec gene (Brec-MUT cells) have much increased expression levels of A and stimulate greater growth of blood vessels than do cancer cells with the wild-type Brec (Brec-WT cells); the cells with the mutant Brec can trigger intracellular signaling in the absence of B.
Researchers proposed that the signaling pathway modeled in Figure 1 is triggered by activation of the wild-type Brec and is associated with phosphorylation and activation of kinase D, expression of A, and the ability of the cancer cells to stimulate blood vessel growth.
Part A: Based on the signaling model shown in Figure 1, describe the role of molecule C-P in the activation of D.
Part B: Explain how a molecule such as kinase D can amplify an extracellular signal. Explain how the mutant Brec protein is able to activate kinase D even in the absence of its ligand.
Part C: Based on the proposed signaling pathway, predict the relative activity of kinase D in the Brec-WT cells compared with kinase D in the Brec-MUT cells when both cell types are grown in nutrient broth lacking B. Justify your prediction.
Part D: The researchers claim that treatment with a compound that inhibits dephosphorylation of the intracellular domain of the Brec protein will inhibit expression of A in Brec-WT cells but not in Brec-MUT cells. Based on the information provided, provide reasoning to refute their claim.
Answers
The molecule C-P phosphorylates and thus activates D, whereas Kinase D amplifies cellular signaling by phosphorylating many substrates. In this case, it is expected to observe kinase D overexpression in Brec-MUT cells.
Cancer, phosphorylation and signaling pathwaysCancer can be defined as a multifactorial disease, which is often associated with uncontrolled cell growth.
Cancer signaling may be associated with defective pathways such as, for example, a mutated kinase protein that affects normal downstream molecular cascades.
A kinase is a specific protein that acts to phosphorylate specific cellular substrates, thereby activating/deactivating a particular signaling pathway.
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Populations change when an ecosystem undergoes succession. During which stage of succession would an ecosystem most likely have the highest species diversity?
A.
A deciduous forest that has never been cleared for human settlement.
B.
A tropical forest that was burned one year ago to create farmland.
C.
The side of a mountain that recently experienced a severe landslide.
D.
The normally-flooded areas of a wetland that is undergoing a prolonged drought.
Answers
Stage of succession at which an ecosystem would most likely have highest species diversity is : A.) A deciduous forest that has never been cleared for human settlement.
At which stage of succession would an ecosystem most likely have highest species diversity?The stage of succession where an ecosystem is most likely to have the highest species diversity is climax community stage, which is final stage of succession. At this stage, ecosystem has reached stable state and has achieved a balance between its biotic and abiotic factors.
Among the given options, ecosystem that is most likely to have the highest species diversity would be option A, a deciduous forest that has never been cleared for human settlement. This is because a mature and undisturbed forest has had long time to develop complex and diverse ecological interactions between its various species.
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To cross-fertilize flowers A and B, one would first remove flower A's immature ________ and later transfer pollen from flower B to flower A's ________. anthers; stamen carpe; ovule stamens; stigma stigma; style
Answers
To cross-fertilize flowers A and B, one would first remove flower A's immature stamens and later transfer pollen from flower B to flower A's stigma.
What is the stigma?In a flower, the stigma represents the structural region of the flower that functions to collect the pollen grains.
The stigma is a female reproductive structure in the flowers, which plays a fundamental role during fertilization.
The stamens are considered the male reproductive structure of the flowers where pollen grains develop.
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In a eudicot stem, ______ is the ground tissue external to the system of vascular strands and ______ is the ground tissue internal to these strands.
Answers
In a eudicot stem, cortex is the ground tissue external to the system of vascular strands and pith is the ground tissue internal to these strands.What is a eudicot stem A eudicot stem is a type of stem that belongs to the eudicot plants.
The eudicots are the largest group of flowering plants, with approximately 175,000 species. A eudicot stem is structurally distinguished from the monocot stem by the existence of vascular bundles arranged in a ring, whereas in the monocot stem, vascular bundles are scattered across the stem.In a eudicot stem, the ground tissue external to the system of vascular strands is referred to as the cortex. It is made up of parenchyma cells that provide mechanical support to the plant, as well as storage of food, such as starch.
The cortex may also include collenchyma and sclerenchyma cells that provide additional mechanical support and protection .The ground tissue internal to these strands in a eudicot stem is referred to as the pith. It is made up of parenchyma cells that store food, such as starch, and also provide structural support to the plant. The pith also includes a variety of cells, including collenchyma and sclerenchyma cells, that provide mechanical support and protection to the stem. The pith and the cortex are separated by the vascular bundles. Hence, is: In a eudicot stem, cortex is the ground tissue external to the system of vascular strands and pith is the ground tissue internal to these strands.
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how does the pituitary gland act as the master gland
Answers
The pituitary gland acts as the master gland due to its control over the secretion and regulation of hormones from various endocrine glands. It receives signals from the hypothalamus and releases hormones that influence the function of other glands.
The pituitary gland is often referred to as the "master gland" due to its central role in regulating the functions of various endocrine glands in the body. It acts as a control center for hormone secretion and plays a crucial role in maintaining homeostasis.
The pituitary gland consists of two main parts: the anterior pituitary (adenohypophysis) and the posterior pituitary (neurohypophysis). The anterior pituitary synthesizes and releases several hormones that stimulate or inhibit the function of other endocrine glands.
These hormones include thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), growth hormone (GH), and prolactin (PRL).
The posterior pituitary, on the other hand, stores and releases hormones produced by the hypothalamus. These hormones include oxytocin and antidiuretic hormone (ADH), which regulate water balance and uterine contractions during childbirth.
Through its control over these hormones, the pituitary gland coordinates and regulates the activities of the thyroid gland, adrenal glands, ovaries, testes, and other endocrine organs.
It receives signals from the hypothalamus, which acts as a bridge between the nervous and endocrine systems and responds by secreting the appropriate hormones to maintain hormonal balance and respond to physiological demands.
In conclusion, the pituitary gland acts as the "master gland" receives signals from the hypothalamus, and releases hormones that influence the function of other glands, thereby coordinating the body's hormonal balance and maintaining homeostasis.
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What type of food (carbohydrate,protien, fat) would be best for learning in school?
Answers
Protein would be best for learning in school.
For healthy brain functioning food should include a protein-rich diet like meat, eggs, legumes, seeds, dried beans, dairy products, etc. Protein helps the brain send signals to the rest of the body and assists the brain to create hormones that improve mood.
The central nervous system (CNS) needs a number of amino acids discovered in protein foods. Amino acids such as tyrosine, tryptophan, histidine, and arginine are utilized by the brain for the synthesis of diverse neurotransmitters.
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Which of the following does NOT contain structures homologous to the human arm? a. turtle flipper b. dragonfly wing c. bird wing d. bat wing e. Tiktaalik fin.
Answers
The option that does NOT contain structures homologous to the human arm is b. dragonfly wing.
Homologous structures are those that share a common evolutionary origin but may have different functions in different organisms. In the case of a turtle flipper, bird wing, bat wing, and Tiktaalik fin, the underlying bone structure is similar to the human arm, indicating a shared ancestry.
On the other hand, a dragonfly wing is not homologous to the human arm because it does not share the same evolutionary origin. The dragonfly wing is composed of a thin, membranous material supported by veins, while the human arm consists of bones, muscles, and connective tissue. This difference in structure indicates that dragonfly wings and human arms evolved independently, adapting to their respective environments and functions. Therefore, Option B is correct, the dragonfly wing is not a homologous structure to the human arm.
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Which stage of the cell cycle can lead to uncontrollable reproduction in mutated cells?
0 G2
OM
OS
OG1
Answers
Answer:M
Explanation:
Saw some guy say it
Answer:
M is correct
Explanation:
Did the test.