Brown eyes (B) are dominant to blue eyes (b). Determine the genotype and phentotype for a homozygous dominant female and a homozygous recessive male
Answers
A homozygous dominant female and a homozygous recessive male for eye color. Brown eyes (B) are dominant over blue eyes (b).
For the homozygous dominant female, her genotype will be BB. This means she has two dominant alleles for brown eyes. As a result, her phenotype will be brown eyes, as the presence of even one dominant allele (B) results in brown eyes.
For the homozygous recessive male, his genotype will be bb. This indicates that he has two recessive alleles for blue eyes. Since there are no dominant alleles (B) present, his phenotype will be blue eyes, which is the expression of the recessive trait.
In summary, the homozygous dominant female has a genotype of BB and a brown-eyed phenotype, while the homozygous recessive male has a genotype of bb and a blue-eyed phenotype. This is due to the dominant nature of the brown eye allele (B) and the recessive nature of the blue eye allele (b).
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Related Questions
what would be the consequence(s) for dna synthesis if primase were defective?
Answers
Defective primase would prevent the formation of RNA primers, disrupting DNA synthesis and inhibiting replication.
Primase is an enzyme responsible for synthesizing short RNA primers that are necessary for the initiation of DNA replication.
If primase were defective, it would be unable to create these RNA primers, which would disrupt the replication process and potentially inhibit DNA synthesis altogether.
The lack of RNA primers would prevent DNA polymerase from adding nucleotides to the 3' end of the growing DNA strand, ultimately halting the replication process.
This could lead to the accumulation of DNA damage and mutations, and could potentially lead to cell death or disease. Overall, defective primase would have serious consequences for DNA synthesis and the overall health of the organism.
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The paranasal sinuses are lined with a membrane that creates mucus during allergies or the common cold. Presence of mucus and swelling of the membranes can cause a "sinus headache." If Regina has a cold and she feels the pain of a sinus headache inferior to her eyes, which bone is housing the affected paranasal sinus?
Answers
Answer:
The maxillary sinus, that is, the sinus located in the upper jaw, would be affected.
Explanation:
Sinusitis is a very traditional disease that is associated with headache, discomfort, and increased mucus making.
The causes can be viral or bacterial or even by some inhaled noxa, sinusitis of this type is bilateral, different from sinusitis of dental cause that are usually unilateral.
The paranasal sinuses are the sinuses that pneumatize the head, that is, they generate an internal air current in the bones to be able to heat and disinfect them from those noxas that are inhaled (that is why they are covered by a ciliated mucosa that drags the noxa to the outside and also its structure is pseostratified with mucous cells that secrete mucus enveloping the noxa).
Another function of the paranasal sinuses is to be able to alleviate the weight of the head, since the shell and the bones that remain in the head formation are very heavy, thus generating these cavities filled with air to alleviate the feeling of "heavy head" "When they become inflamed and filled with mucus, they are obliterated or with a reduced space, so the head feels heavier for some people.
The paranasal sinuses are the maxillary sinuses that are in the upper jaw, the sphenoid sinuses that are in the sphenoid, the ethmoid sinuses that are in the ethmoid and the frontal ones that are in the frontal bone that is vulgarly called as the forehead.
What would a "good edge" be in bacteria?
Answers
Answer:
somr bacterias are bad health
Why can’t kinetic energy ever be greater than potential energy? _________
Answers
Answer:
Because kinetic energy will never be more than potential energy, When they move, they can lose energy to friction which creates heat and noise.
Explanation:
What three things regarding cell organelles are different between plant and animal cells?
Answers
Answer:
Plant cells have a cell wall, but animals cells do not. ...
Plant cells have chloroplasts, but animal cells do not. ...
Plant cells usually have one or more large vacuole(s), while animal cells have smaller vacuoles, if any are present
When the spliceosome binds to a pre-mRNA transcript, where does it typically attach?
-to the 5' UTR
-to the exons
-to the 3' UTR
-at certain sequences along an intron
Answers
When the spliceosome binds to a pre-mRNA transcript, it typically attaches at certain sequences along an intron.
What is a spliceosome?
The spliceosome is a complex composed of RNA and protein molecules that removes non-coding introns from the pre-mRNA transcript in the process of gene expression. Splicing is necessary to generate mature mRNA transcripts that can be translated into proteins.
Eukaryotic cells often have a large ribonucleoprotein (RNP) complex known as a spliceosome. These cells are classified as eukaryotic. A large number of proteins and short nuclear RNAs (snRNA) are required for the assembly of the spliceosome.
What is the process of splicing?
Splicing begins with the binding of U1 snRNP to the 5' splice site of the intron. U2 snRNP then joins the spliceosome, followed by other factors, resulting in the formation of an active spliceosome that catalyzes the splicing reaction.
After cleavage at the 5' splice site, the intron forms a lariat structure, and the spliceosome cuts the RNA at the 3' splice site. The exons are then spliced together to produce mature mRNA.
Therefore, when the spliceosome binds to a pre-mRNA transcript, it typically attaches at certain sequences along an intron.
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Which neurotransmitters are considered catecholamines? dopamine, norepinephrine (noradrenaline), and epinephrine.
Answers
The catecholamines are dopamine, norepinephrine, and epinephrine.
What is catecholamines?
Catecholamines are hormones that are produced in the body including epinephrine (adrenaline), norepinephrine (noradrenaline) and dopamine. They are responsible for regulating the body’s stress response and helping to control many aspects of the body’s physiology, including the heartbeat, blood pressure and the release of glucose into the bloodstream. They are also involved in the body’s reward system, which is responsible for creating positive feelings when we do something enjoyable.
Catecholamines are a group of neurotransmitters that include dopamine, norepinephrine, and epinephrine. These neurotransmitters are important for many bodily functions such as regulating mood, motor control, and cognitive processes. They are also involved in the regulation of the body's stress response. Catecholamines are produced in the adrenal glands and the brain and act on both the sympathetic and parasympathetic nervous systems.
Therefore, dopamine, norepinephrine, and epinephrine are the correct answer.
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Where within the cell does photosynthesis take place?
A. The cytoplasm
B. The chloroplasts
C. The mitochondria
D. The nucleus
Answers
Answer:
B.) The chloroplasts
Explanation:
I have science
Answer:
B
Explanation:
Gizmo
What is the purpose of having to press the pushbutton of a pipetter to the second stop?
a. to assure a larger absorbance reading
b. to aspirate any remaining liquid
c. to expel any remaining liquid
d. to make sure the solution is mixed well
e. to eject the pipette tip
Answers
The purpose of having to press the pushbutton of a pipetter to the second stop is to expel any remaining liquid.
This action ensures that the correct volume of liquid is dispensed and prevents contamination of subsequent samples. It is important to note that this step should always be done before ejecting the pipette tip to avoid spilling or splashing of the liquid. The purpose of having to press the pushbutton of a pipetter to the second stop is: c. to expel any remaining liquid. Introduce the concept of a pipetter and its role in the laboratory.
Explain the mechanism and process of using a pipetter, including the first and second stops. The third paragraph would then emphasize the importance of pressing the pushbutton to the second stop, which is to ensure that all liquid is expelled from the pipette tip, thus maintaining accuracy in the experiment or procedure being conducted.
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The adaptations of a pelican include its long, pouch-like beak. Why is the beak of the pelican an example of an adaptation?
A.
The beak is a unique feature that is found only in pelicans.
B.
All birds have beaks, but the beaks vary among different species.
C.
The shape and structure of the beak have remained the same over many generations.
D.
The shape and structure of the beak are inherited and help the pelican survive in its environment
Answers
Answer:
D. The shape and structure of the beak are inherited and help the pelican survive in its environment
Explanation:
Hope this helps!
Why are bacteria both consumers and decomposers?
Answers
Answer:
Bacteria are both consumers and decomposers because they are capable of obtaining their energy and nutrients either by consuming other living organisms or by breaking down dead organic matter. Some bacteria are able to break down complex compounds in dead organic matter, such as cellulose or lignin, which other organisms are unable to digest. Other bacteria act as consumers and obtain their energy and nutrients by feeding on other organisms, either by parasitizing them or by consuming them as prey. Additionally, some bacteria are capable of photosynthesis and can produce their own energy, similar to plants. This versatility in obtaining nutrients allows bacteria to thrive in a wide range of environments, from soil to water to the human body.
Bacteria are both consumers and decomposers because they have the ability to obtain energy and nutrients from a variety of organic materials.
Explain Bacteria as consumers and decomposers.As consumers, bacteria can directly consume other organisms for their nutrients, such as when they feed on dead or decaying matter.
As decomposers, they break down organic matter into simpler compounds, such as carbon dioxide and water, which can then be used by other organisms.
Bacteria are able to perform these dual roles because of their unique metabolic processes. Many bacteria are capable of aerobic respiration, which allows them to use oxygen to break down glucose and other organic compounds to obtain energy.
Some bacteria are also capable of anaerobic respiration, which allows them to obtain energy in the absence of oxygen.
In addition, some bacteria have the ability to break down complex organic compounds through the process of fermentation.
Fermentation involves the conversion of sugars into simpler compounds such as lactic acid, ethanol, and carbon dioxide, which can then be used as an energy source by the bacteria.
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The pedigree in the figure shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely ________.
Answers
The patterns of inheritance best explain the transmission of the trait is Autosomal dominant. Thus the option D is correct.
What is the autosomal dominant?The term refers the genetic characteristics of the disease that lies in the chromosome. The dominant means the single copy of the disease that is linked by mutations and causes the disease.
They include disease like Huntington's disease, neurofibromatosis, and polycystic kidney disease.The pedigree in the figure shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely.
Therefore, The patterns of inheritance best explain the transmission of the trait is Autosomal dominant. Thus the option D is correct.
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lawanda is making beef and broccoli for a crowd. beef costs $6/lb and broccoli costs $2/lb. the recipe uses two pounds of broccoli for each pound of beef. what quantities will her $30 budget allow?question 14 options:3.5 lb beef and 7 lb broccolithere is not enough information to answer3.0 lb beef and 6 lb broccoli2.5 lb beef and 5 lb broccoli2.0 lb beef and 4 lb broccoli
Answers
Given that the beef costs $6/lb and broccoli costs $2/lb. The recipe uses two pounds of broccoli for each pound of beef. Lawanda is making beef and broccoli for a crowd.The budget is $30. The answer is Lawanda can purchase 2.0 lb beef and 4 lb broccoli with the given budget of $30.
To find the quantities of beef and broccoli that will be available for the crowd, we need to look at the given options.Option a) 3.5 lb beef and 7 lb broccoli Option b) there is not enough information to answer Option c) 3.0 lb beef and 6 lb broccoliOption d) 2.5 lb beef and 5 lb broccoliOption e) 2.0 lb beef and 4 lb broccoli.We can see that the sum of the cost of broccoli and beef per pound gives $6 + $2 * 2= $10. This means that with $30, Lawanda can purchase 30/10 = 3 pounds of beef and broccoli together. Using the given recipe, 1 lb beef will need 2 lb broccoli. Thus, 1 lb beef and broccoli together will need 1 lb beef + 2 lb broccoli = 3 lb. Therefore, with the budget of $30, the quantities of beef and broccoli that Lawanda can purchase are 1 lb of beef and 2 lb of broccoli. Thus, the answer is option E - 2.0 lb beef and 4 lb broccoli.
Thus, Lawanda can purchase 2.0 lb beef and 4 lb broccoli with the given budget of $30.
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Anatomy and physiology
Explain the term “somatic motor”; what does it mean or refer to?
Answers
Answer:
Somatic motor system is the motor system of the body and the neurons involved are the motor neurons. The cell bodies of these neurons are present in the motor nuclei of the cranial nerves of the brain stem and in the anterior horn of the spinal cord.
Do your results confirm the initial hypothesis, that bacterial expression systems can produce biologically active and stable erythropoietin? Yes, biologically active erythropoietin can be expressed in any type of cell b) Yes, erythropoietin is best expressed in bacterial cells No; both cells can synthesize biologically active erythropoietin No, erythropoietin is best expressed in mammalian cells
Answers
The results confirm of initial hypothesis, that bacterial expression systems can produce biologically active and stable erythropoietin is No, erythropoietin is best expressed in mammalian cells. The correct answer to the question is option d.
Bacterial expression systems are often used to produce recombinant proteins. However, these systems may not always be the best choice for expressing certain proteins, such as erythropoietin. Erythropoietin is a glycoprotein, meaning it has sugar molecules attached to it.
Bacterial cells are not capable of adding these sugar molecules, so erythropoietin produced in bacterial expression systems will not be biologically active. Mammalian cells, on the other hand, are capable of adding the necessary sugar molecules, making them a better choice for expressing biologically active erythropoietin.
In conclusion, while bacterial expression systems can be used to produce many types of recombinant proteins, they are not the best choice for producing biologically active erythropoietin. Mammalian cells are better suited for this task.
Bacterial expression systems have been shown to produce functional proteins, including erythropoietin, which has been demonstrated to have biological activity. Additionally, studies have shown that erythropoietin is more efficiently expressed and more stable in bacteria than in mammalian cells.
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i suck at biology sm :(
Answers
Answer:
A.cats
Explanation:
Answer:
Cats
Explanation:
Carbon dioxide, water vapors, methane, and ozone in the atmosphere result in a The greenhouse effect b Acid rain C Photoionization d Photodissociation
Answers
Answer:
A, The greenhouse effect.
Explanation:
Los principales GEI en la atmósfera terrestre son el vapor de agua (H2O), el dióxido de carbono (CO2), el metano (CH4), el óxido nitroso (N2O) y el ozono.
Esi lo que se espero y te sirva
m
"Hooke's Law states that the restoring force of a spring is directly proportional to a small displacement.
Students in physics class were conducting an experiment to determine the difference in "k". They wanted to determine if displacement not only varied with mass but also with the type of spring used
First they used a spring to verify Hooke's Law. Their data supported what was already known, but they now had a standard of comparison for the other trials. The class tested four springs, two shorter
and thicker than the original and two longer and thinner. They hung incremental masses from each spring and then measuring how far the spring streched. After collecting their data, the students
concluded that shorter, more tightly wrapped springs would display a smaller displacement than longer, more loosely wrapped springs
8) What was the control in this experiment?
A) the masses hung from the springs
B) the amount of stretch in the springs
the original spring and that experimental data
D) the four springs, two short and thick and two long and thin
Answers
The control in this experiment was (C) the original spring and that experimental data. The control in an experiment is the standard that is used for comparison with other treatments.
In this experiment, the original spring was used to verify Hooke's Law, and the data collected was used as the standard of comparison for the other trials. By using the original spring and data as the control, the students were able to determine if displacement varied with the type of spring used. The experimental springs, two shorter and thicker and two longer and thinner, were the treatments in this experiment. The masses were hung from each spring, and the stretch of each spring was measured. By comparing the displacement of the experimental springs to the displacement of the original spring, the students were able to determine that shorter, more tightly wrapped springs would display a smaller displacement than longer, more loosely wrapped springs. The use of a control in this experiment allowed the students to make accurate conclusions about the impact of spring type on displacement.
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What will be the advantages and disadvantages if the world was covered in water?
Answers
Answer:
1) no water loss from evaporation
2)less temperature fluctuation
3)less light, so predators can't see them
4)avoid competition w/ terrestrial species
What is true about a trophic level in an ecosystem?
Select all that apply
The amount of energy flowing into secondary consumers must equal the
amount that flows into primary consumers.
The ecosystem is an isolated system.
The ecosystem is an open system
The amount of energy flowing into the secondary consumers is less than
the amount that flows into the primary consumers.
HHEELLPPPHHH
Answers
please help me here
Answers
Answer:
add nutrients to the blood stream: No
allow oxygen to be added to the blood stream: Yes (for both gills and lungs)
remove carbon dioxide from the blood stream: Yes (for both gills and lungs)
provide energy to the blood to keep it flowing around the body: No
What is a limitation of the bell jar model when modelling ventilation?
Answers
One limitation of the bell jar model when modeling ventilation is its oversimplified representation of real-world conditions. The bell jar model assumes a uniform and consistent distribution of airflow within the enclosed space, disregarding factors such as complex air currents, turbulence, and variations in temperature and humidity. In reality, ventilation dynamics are influenced by a range of factors, including room geometry, furniture placement, and occupancy patterns, which cannot be accurately captured by the simplistic bell jar model. This oversimplification may lead to inaccurate predictions or underestimation of ventilation rates in real-life scenarios.
Another limitation is the lack of consideration for external influences on ventilation. The bell jar model typically assumes a closed system, neglecting the impact of external factors such as wind, temperature differentials, and outdoor air quality. In real environments, these external influences play a crucial role in ventilation dynamics. Wind direction and speed, for instance, can significantly affect the inflow and outflow of air in a building. Temperature differences between indoor and outdoor environments can drive natural ventilation processes. Ignoring these external factors in the bell jar model may result in unrealistic estimations of ventilation rates and limit its applicability to real-world scenarios.
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what is most likely to result whn a mutation affects the dna sequence
Answers
Bands of hard and soft rock can lead to what landform.
Spit
Headlands and bays
Wave-cut platform
Answers
Answer: the answer is headland :) Headlands are formed when the sea attacks a section of coast with alternating bands of hard and soft rock.
Explanation:
Please help me!!! ASAP
Answers
cellular respiration
Explanation:
A
Part C What is the name of the chemical that is branched?
Answers
Answer:
Many alkanes are so-called branched alkanes.
Answer:
The name of the branched chemical is isopropyl cyanide.
Explanation:
Which of the following minerals are emphasized in the DASH diet?
a) Calcium and magnesium.
b) Magnesium and zinc.
c) Sodium and iron.
d) All of these are emphasized.
Answers
Answer:
The answer is A, but potassium is also emphasized
True or false In a single celled organism, mitosis is used for reproduction.
Answers
Answer:
the answer is true.
Less visible spider webs catch more insects than more visible webs. However, some spiders build webs that include very sizable zigzag lines. What benefits might the spider gain by building such a visible web? Select all correct answers.
Webs with zigzag lines may be easier to build than those without the lines, saving the spider energy
The lines may help to camouflage the spider from potential predators
Spiders with lower fitness make webs with visible zigzag lines. Eventually this trait will be selected against by natural selection
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web
Answers
Answer:
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web
The lines may help to camouflage the spider from potential predators
Explanation:
Trust me I just took a quiz with this exact question lol
The visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web.
What is a spider web?A spider web is built by sipder to serve as a sort of bridge when travelling or as a kind of protection but most importantly to trap insects for food.
The benefits that a spider may gain by building a visible web is that the visible lines may keep larger animals from crashing into the web and destroying it, so the spider does not need to rebuild the web.
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during which stage of mitosis do we first observe the loss of the nuclear envelope?
Answers
We do first observe the loss of the nuclear envelope during the prometaphase or late prophase stage of mitosis.
In this stage, the nuclear envelope starts to break down, allowing the chromosomes to become more visible and accessible for the next stages of mitosis.
Prometaphase is the transition phase between prophase and metaphase in mitosis. During this stage, the nuclear envelope, which surrounds the nucleus, breaks down. This breakdown allows the mitotic spindle fibers to access the chromosomes, which are condensed and ready for alignment in the subsequent metaphase stage. The dissolution of the nuclear envelope in prometaphase facilitates the proper segregation of genetic material during mitosis.To learn more about mitosis:
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