Meiosis occurs in a series of different phases and creates genetically unique reproductive cells.
Which process helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II?
Answers
Answer: In meiosis, crossing over refers to the process where homologous chromosomes 'combine' with each other in order to exchange genetic material, which results in genetic variation. This process takes place during Prophase I of the first meiotic division
Explanation:
Answer:
crossing over
Explanation:
Related Questions
Explain the following equation: a = F/m.
Answers
Answer:
acceleration = force / mass
Explanation:
when considering receptors for hormone molecules, we can say that, in general, ________.
Answers
When considering receptors for hormones molecules, we can say that, in general, receptors are specific and selective.
These receptors exhibit high specificity for the hormones they bind to, as the binding of a hormone to its receptor initiates a cascade of intracellular events that are specific to that hormone-receptor interaction.
The specificity of hormone receptors is due to their unique structural characteristics, which are complementary to the chemical structure of the hormone molecule. As a result, hormone receptors can distinguish between closely related hormones and selectively bind to their specific target hormones.
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HELP HURRYYYY ILL MARK YOU AS BRAINLIEST
Answers
Answer:a
Explanation: it is know that a cells has to undergo mitosis before it is completely reproduced.hope this helps!(:
Answer:
Undergo Mitosis
Explanation:
Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
How many trophic levels can monkeys occupy in a food chain?
Answers
Answer:
A monkey can occupy two tropic levels in a food chain. These levels can be primary consumers or secondary consumers.
Answer:
two, because they eat plants and insects
Explanation:
After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?
Answers
Answer:
Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration
Explanation: Anaerobic cellular respiration occurs and due to the lack of oxygen she takes deeper breaths. That way, there's oxygen in the muscles while respiration occurs.
Answer:
Frida is lacking air, or oxygen, because of her exercising. She starts panting quickly to take in air faster and make up for the oxygen loss. The heart beats hard during exercise, and needs oxygen to return to a normal pace
What species and class does gossypium belong to?
Answers
Answer:
Gossypium belongs to the Gossypium arboreum L. species.
Hello can anyone answer this for me
Answers
The 'Monkeydactyl' which existed 160 million years ago, was the first animal to acquire opposable thumbs.
Evolved Brain is the new trait in gorilla.
The most comparable DNA between any two species is found in humans and chimpanzees.
What is Monkeydactyl?One kind of Darwinopteran is the monkeydactyl.Monkeydactyl is the moniker given to a newly discovered species of flying reptile from the Jurassic period because it possesses opposable thumbs.It has been given the name Kunpengopterus antipollicatus and the nickname "Monkeydactyl."It's possible that it's the limb's oldest known occurrence.Monkeydactyl's gripping hands evolved as a result of their existence in the trees; having an opposable thumb made it simpler for the progenitor of all monkeys to cling to tree branches.This species is renowned for its enormous size and broad wingspan as well as its distinctive finger structure, which was different from that of any other known pterosaur species.Monkeydactyl is only known from a single fossilised specimen that was found in China.To learn more about Monkeydactyl from the given link :-
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When Mendel crossed two purple-flowered pea plants with each other, he obtained a phenotypic ratio of 3:1 (purple-flowered pea plants to white-flowered pea plants). His results are consistent with which of the following sets of parents? Multiple Choice homozygous dominant purple pea plant and homozygous recessive white pea plant heterozygous purple
. When Mendel crossed two purple-flowered pea plants with each other, he obtained a phenotypic ratio of 3:1 (purple-flowered pea plants to white-flowered pea plants). His results are consistent with which of the following sets of parents?
Multiple Choice
homozygous dominant purple pea plant and homozygous recessive white pea plant
heterozygous purple pea plant and homozygous recessive white pea plant
heterozygous purple pea plant and heterozygous purple pea plant
heterozygous purple pea plant and homozygous dominant purple pea plant
homozygous dominant purple pea plant and heterozygous white pea plant
.
If the two alleles for a particular gene are identical the gene pair is
Multiple Choice
heterozygous.
homologous.
dominant.
homozygous.
recessive.
Answers
1. homozygous dominant purple pea plant and homozygous recessive white pea plant.
2. Homozygous.
Which of the following could be a density dependent factor limiting human population growth? social pressure for birth control all of these answers are correct famines pollution plagues Question 20 2
Answers
Density-dependent factors can play a significant role in limiting human population growth, and it is important to be aware of these factors when considering population dynamics.
All of these answers are correct (social pressure for birth control, famines, pollution, and plagues) could be a density-dependent factor limiting human population growth.
A density-dependent limiting factor is a factor that depends on the size or density of a population. When a population is small, the effects of these factors are less pronounced, but as the population size increases, the effects become more severe.
Examples of density-dependent factors include predation, competition for resources, disease, and limited space. In the case of humans, factors such as social pressure for birth control, famines, pollution, and plagues all have the potential to limit population growth.
Social pressure for birth control can reduce birth rates in areas where population growth is high. Famines and pollution can lead to disease outbreaks, which can in turn reduce population size. Plagues, such as pandemics, can have a devastating effect on human populations, particularly in densely populated areas.
In conclusion, density-dependent factors can play a significant role in limiting human population growth, and it is important to be aware of these factors when considering population dynamics.
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without a gallbladder, a person would be unable to produce bile by __________.
Answers
Cause liver produces bile and is stored in the gallbladder
Answer:
its false
Explanation:
edge 2023
Why does an individual have the number of alleles for a trait they do? In other words, where do the alleles come from
Answers
Answer:
- An individual has two set of alleles for each trait because humans are diploid (two set of chromosomes).
Explanation:
Humans are DIPLOID in nature, meaning that they have two sets of each chromosome. Chromosomes contains genes, which come in different forms or versions called ALLELES. Since there are a pair of each chromosome, then there are two genes per chromosome. Hence, two possible forms of genes (alleles) can exist for each gene. That is, every gene will have two copies.
The alleles of each gene on a chromosome comes from each of the parents of an individual. For example, a human contains 23 pairs of chromosomes. Each pair of chromosome comes from the father and mother.
Answer:
Explanation:
It is important to note that alleles can be dominant, recessive, or codominant to each other, leading to variations we see in different organisms and traits. For example, how we can differentiate people by their eye color, blood group, hair color, all show that an allele is a specific form of a gene.
An individual has the number of alleles for a trait they do because each cell needs only certain genes to be active or activated in order to function genetically and since gene influence the way cells functions, so for each trait, there are two alleles per gene making an individual having two identical alleles of a particular gene or genes when the two alleles are the same. While having two different alleles of a particular gene or genes, when the two alleles are different. This is so important as the alleles affect the expression (phenotype) of a particular trait.
According to the theory of global warming, the average temperature of Earth’s air began rising rapidly when humans first started burning fuels such as oil. Burning these fuels releases carbon dioxide into the air. Scientists have observed that carbon dioxide traps heat from the Sun in Earth’s atmosphere. They have also observed ice melting in some areas.
Which part of the scientific cycle does the graph directly represent?
Answers
Answer:
I think experiments.
Explanation:
Answer:
expriments i cant spell but you get the point
Explanation:
When is natural selection most likely to occur?
A. when an ecosystem is going through an environmental change
B. when there are few genetic differences among individuals within a population
C. when there are enough resources in the ecosystem for the population to use
D. when gene flow is high among the populations in an ecosystem
Answers
Answer:
A
Explanation:
Natural selection is most likely to occur in centuries of gradual climate change. Climate change is essentially environmental change, which is why the answer should be A.
Does anyone have an answer for this???
Answers
Answer:
because the truck is moving
Explanation:
the force of the engine is bigger than the fractional force so the truck keep moving and do not stop.
Answer with Explanation:
The forces are unbalanced because the engine force (bigger force) and the friction force (smaller force) are not equal. Their difference in force is 40 N. This makes the truck move forward or in the direction of the bigger force. Its movement is being slowed down by the friction force.
Both of the forces are acting in opposite directions, but they are not equal in magnitude. Such occurrence can make an object either slow down or speed up. It could also change its direction. This is in accordance to "Newton's First Law of Motion."
I passed all my exams because of brainly!
Answers
Answer: sheesh
Explanation:
Why does DNA need to be extracted from a cell before it can be analyzed?
Answers
Answer:
to study the genetic causes of disease and for the development of diagnostics and drugs.
Explanation:
It is important to extract DNA from a cell in order to study the genetic causes of disease and for the development of diagnostic and drugs. Scientists will use a cell culture system, which is cells from an organism that have either been made to continuously proliferate (grow) or are cancerous in nature (from cancer).
These cells allow us to continue working on experiments where we can change the conditions to determine various cell functions.
Cilia and flagella move...
A) In opposite directions of the cell membrane
B) When the bending of microtubules is powered by ATP
C) In the same direction of the cell membrane
D) When the contractions of the basal body triplets are powered by ATP
E)When the central pair of microtubules produce ATP
Answers
Answer:
A in opposite direction of the membrane
what rbc morphology on a wright-stained smear may indicate the presence of an unstable hemoglobin?
Answers
The presence of unstable hemoglobin on a Wright-stained smear may be indicated by the presence of Schistocytes.
A Wright-stained smear is a laboratory technique used to visualize different types of blood cells under a microscope. It uses a combination of eosin and methylene blue dyes that bind to different components of the cells, allowing for the identification of different types of white blood cells, red blood cells, and platelets.
Schistocytes are fragmented red blood cells (RBCs) that appear as small, irregularly-shaped cells on a blood smear. They are typically seen in conditions such as hemolytic anemia, disseminated intravascular coagulation (DIC), and mechanical hemolysis (e.g., from a mechanical heart valve).
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What can stimulate cell regulators to increase cell reproduction?
elongation
fragmentation
hormones
isogametes
Answers
hormones can stimulate cell regulators to increase cell reproduction. Thus option C is correct.
what are the role of hormones in reproduction ?Hormones are the chemical messengers produced by the endocrine cells and it move through the blood, act on target cells.
The two most important reproductive hormones are estrogen in female and testosterone in male.
Estrogen induce the eggs development and maturation process in adult female and released during regular intervals of menstrual cycle.
Testosterone in male responsible for male gamete production.
Other hormones involved, such as Follicle stimulating hormone (FSH), Luteinising hormone (LH).
Thus option C is correct.
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Hi, could someone tell me what should be in the blank space of my concept map about the cell membrane?
Answers
Gran Dolina adult hominids were similar to later Homo sapiens in their:
a.
ability to produce art.
b.
large cranial capacity.
c.
wide nasal aperatures.
d.
None of the above.
Answers
Gran Dolina adult hominids were similar to later Homo sapiens in their large cranial capacity. The correct option is b.
Cranial capacity is a measure of the volume of the braincase, and it is an important indicator of brain size and complexity. The Gran Dolina hominids had a cranial capacity of around 1000 cubic centimeters, which is similar to that of early Homo sapiens and other hominid species that lived later in time.
While there is no evidence to suggest that Gran Dolina hominids produced art, and their nasal aperture size is not particularly significant in terms of their similarity to Homo sapiens, their cranial capacity is an important characteristic that links them to our own species. A larger brain size is generally associated with higher cognitive abilities and more advanced tool-making techniques, both of which are features that are important in defining our own species.
In summary, Gran Dolina adult hominids were similar to later Homo sapiens in their large cranial capacity, which is an important indicator of their cognitive abilities and links them to our own species. While they may not have produced art or had particularly wide nasal apertures, their brain size suggests that they had a level of complexity that was similar to our own early ancestors. Thus, the correct option is b.
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at the sand bar, customers can nibble on snails ( ) with garlic butter and oysters on the half shell ( ) during their 'happy hour.' the happy patrons will be enjoying what types of mollusks?
Answers
Gastropods, bivalves. There are various distinctive traits that characterize the phylum Mollusk. A mantle with a mantle chamber, a shell (save where lost), visceral mass, foot, and radula are some of these distinguishing features.
What about mollusks?The mollusks contain numerous well-known creatures, such as clams, snails, slugs, and squid, as well as some uncommon creatures, such as tusk shells and chitons. Bivalve, gastropod, and cephalopod mollusks make up the three major mollusk subgroups. They are cephalopods, scaphopods, bivalves, and gastropods. Any member of the huge phylum (Mollusk) of invertebrate organisms having a soft, unequal body that is typically protected by a calcareous shell, including snails, clams, or squids. Jellyfish and octopi are examples of aquatic invertebrates. Both of these species fall under separate phyla due to their dissimilar morphology and physiology. Octopi belong to the phylum Mollusk, whereas jellyfish belong to the phylum Cnidaria. The gastropods (snails and slugs) make up 80% of all mollusk species and are by far the most abundant. One of the rarest and most exquisite mollusks in the entire world is the Blue Dragon. In the phylum Mollusk, the two most poisonous species are octopuses and cone snails. In the waters of the Indo-Pacific, cone snails are most dangerous. An extended proboscis used to inject a detached harpoon-like dart into the victim causes envenomation.Learn more about mollusks here:
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In corgis, a breed of dog, short tails are completely dominant to long tails. If two long-tailed corgis have puppies, what is the percent chance of having a puppy with a short tail?
Answers
Answer:
0%
Explanation:
This question involves a single gene coding for tail length in a breed of dog called Corgis. The allele for short tail (S) is dominant over the allele for long tail (s).
According to this question, two long-tailed corgis are crossed i.e. ss × ss. Each parent corgis will produce only 's' gametes. Using this gametes in a punnet square (see attached image), the following proportion of puppies will be produced:
All ss (long-tailed) offsprings/puppies.
Based on the question asked, 0% or none of the puppies produced will have a short tail.
Sitting in your chair are you still producing ATP?
Answers
Answer:
Yes
Explanation:
I hope this is correct and have a great day
a 12-year-old cat is equivalent to a _______-year-old human.
Answers
Based on the guideline, a 12-year-old cat would be approximately equivalent to a 64-year-old human.
There is no precise equivalence between the age of a cat and a human, as the aging process differs between species. However, a commonly referenced guideline is that the first year of a cat's life is roughly equivalent to 15 human years. After that, it's generally estimated that each additional cat year is equivalent to around 4 human years.
Based on this guideline, a 12-year-old cat would be approximately equivalent to a 64-year-old human. However, it's important to note that this is a rough estimation and individual factors such as genetics, lifestyle, and health can influence the aging process in both cats and humans.
In general, it is often stated that the first year of a cat's life is equivalent to around 15 human years in terms of aging. After that, the rate at which a cat ages slows down compared to humans. It is commonly estimated that each additional cat year is roughly equivalent to about 4 human years.
Applying this guideline, a 12-year-old cat would be considered to be approximately equivalent to a 64-year-old human. However, it's important to remember that this is just an estimation, and individual variations exist. Factors such as genetics, lifestyle, and overall health can influence the aging process in both cats and humans.
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A drought in this ecosystem makes the ground become very dry. Which of the following would most likely result from this
change?
OA.
The grass will shrivel and die, which will cause a decrease in the impala population
ОВ.
The grass will grow more rapidly, which will cause a decrease in the impala population.
OC.
The grass will grow more rapidly, which will cause a decrease in the cheetah population.
D.
The grass will shrivel and die, which will cause an increase in the cheetah population.
Answers
Answer:
A
Explanation:
The grass will shrivel and die, which will cause a decrease in the impala population
NEED ASAP
Why is Dr. Elizabeth Cochran’s sensor important to earthquake research? How can it help develop an earthquake warning system?
Answers
Answer:
According to Cochran, these sensors become temporary seismic stations, enabling scientists to automatically monitor and retrieve data from six months to a year after an earthquake. Therefore, scientist can detect earthquake through information collected from the last earthquake.
Explanation:
Answer:
Dr. Cochran has invented a device to use on any laptop to detect an earthquake. This device can warn people about earthquakes immediately. These detectors are inexpensive and work on any computer. Scientists can create more of these sensors and distribute them to all residents in earthquake-prone areas. The sensors would let people know about earthquakes so they could go somewhere safe without wasting time.
Explanation:
Edmentum answer (:
What was learned from the mariner 10
Answers
An organism is unicellular autotrophic and ancient what domain does this organism does not belong
Answers
Answer:
Eukaryote
Explanation:
“Ancient” refers to archae. Archae and bacteria are the prokaryotic two domain out of three. In fact eukaryote have protists and plants which are able to perform autotrophic behavior. But unicellular wouldn’t define eukaryotes.
Maya Is a carrier for albinism, a recessive tralt that results in the absence of the skin plgment melanin In halr and
eyes. She marries Jack, and they have four children: Zach, Olivia, Sophla, and Veronica. Veronica expresses the
tralt for albinism, but her three siblings are unaffected by the recessive tralt.
Draw a pedigree that Illustrates the famlly's tralts, and upload your pedigree.
Answers
Answer:
hereditary
Explanation:
if Maya tralt if albinism is recessive, then definitely the tralt for Jack is dominant
