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boyakko [2]
2 years ago
6

Choose the best experimental design to test the question “Does the gender of mice affect the time it takes to learn mazes?”

Biology
1 answer:
ruslelena [56]2 years ago
6 0
No thats what i thing trying to help
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At one time, there were many more cheetahs than there are today. About 10,000 years ago, a change in
Ierofanga [76]

Answer:

<u>the bottleneck effect</u>

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Explanation:

Genetic drift has an important impact on the small populations. mutations, which are spontaneous heritable changes in the genetic code, made up of DNA. Here, mutations accumulate over time in a group, modifying the distribution of alleles or various forms of a gene. Natural selection may result in a loss of diversity in a population called genetic drift; one trait's allelic frequency rises while others become less prevalent. Typically such differences exist because of occurrences of mutation and recombination.

Some mutations or alleles may become extinct from the population.

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Variants of a gene accumulate and are transmitted across generations; the frequencies of these occurrences are altered and become more stable in genetic drift- they become genetically distinct and may eventually form a new species after isolation. This may be further compounded through other  phenomena such as the founder effect where a group separates and genetic diversity decreases; and the bottleneck effect where barriers to reproduction or the die-off a population increases genetic drift.

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6 0
3 years ago
F the diploid number of chromosomes in a dog's skin cell is 48, what is the number of chromosomes in a dog's sperm cell?
IceJOKER [234]
Is 24 because 48 divided by 2 is equal to 24
3 0
2 years ago
How are the molecules in photosynthesis and cellular respiration similar?
WARRIOR [948]

The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart

8 0
2 years ago
Cisplatin an antitumor drug interact with DNA____________
Strike441 [17]

Answer:

B

Explanation:

An alkylating agent adds an alkyl group to the DNA strand of a specific cell group highly prone to being cancerous. This action is exactly what Cisplatin does by disrupting DNA replication (mitosis) for cancerous cells by inserting itself into a DNA strand.

4 0
3 years ago
Read 2 more answers
Which condition is a cause of impotency in men
daser333 [38]
<span>Atherosclerosis is a common cause, because there is a lack of blood flow in the person's body, and this can cause a male to be impotent. 

Diabetes is also a common cause because once again it causes less blood flow. 

In a younger man, a cause could be anxiety. This is because nervousness and being anxious can lessen blood flow.

If you have choices, I suggest choosing one that has to do with less blood flow happening, which that is the main cause.

I hope that this could possibly help you with your studies, and have an amazing day. If you have any more questions, send me a pm. </span>
4 0
3 years ago
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