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umka21 [38]
3 years ago
15

Define evolution in genetic terms

Biology
1 answer:
HACTEHA [7]3 years ago
3 0

Evolution in genetic terms:

When the frequency of alleles in a organism, change over time in a given population.

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Decreasing the rate of gene flow between two populations is likely to make the populations more different from one another. true
devlian [24]

The given statement "Decreasing the rate of gene flow between two populations is likely to make the populations more different from one another." is False.

<h3>What is gene flow?</h3>
  • Gene flow refers to the processes by which genes are transferred from one group to another.
  • Gene flow, which is a term used more frequently in anthropology, refers to the allelic change brought on by human movement.
  • Gene flow would reduce the isolation that could lead to speciation by increasing population similarity and reproductive kinship.
  • Gene flow significantly slows down speciation by recombining the gene pools of the groups and therefore repairing the growing variations in genetic variation that would have otherwise resulted in full speciation and the creation of daughter species.

Learn more about the gene flow with the help of the given link:

brainly.com/question/17190749

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5 0
2 years ago
An endangered species of fish has a population that is decreasing exponentially:A=A0 e^kt The population 10 years ago was 1700.
bija089 [108]

Answer:

The correct answer is E. none of the above.  The population will drops below 100 when t ≥ 38.

Explanation:

Given A= A0 e^kt. The population 10 years ago is A0, the population today is A(10), and we have to find the value of "k" and then the time when population drops below 100.

So, A(t) = 1700 e^kt ⇒ A(10) = 1700 e^k(10) ⇒ 800 = 1700 e^k(10) ⇒

800/1700 = e^k(10) ⇒ln (800/1700) = k(10) ln e ⇒ -0.754/10 = k ⇒

k = -0.0754.

Now you have all the parameters, so you can find the time at which the population drops below 100.

A(t) = 1700 e^kt ⇒ 100 = 1700 e^(-0.0754)t ⇒100/1700 = e^(-0.0754)t ⇒

ln(100/1700) = (-0.0754)t ln e ⇒ [ln(100/1700)]/(-0.0754) = t ⇒

t = 38.

So, the population will drops below 100 when t ≥ 38.

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Which best describes the life cycle of an insect that undergoes complete metamorphosis?
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The answer is definitely "D"

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