In a fox population, the allele frequency of a gene for red fur changes from 20 percent to 30 percent.What can be concluded abou

Question

2 years ago

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In a fox population, the allele frequency of a gene for red fur changes from 20 percent to 30 percent.What can be concluded abou

t that population of foxes? a. The population is expanding B. The population is evolving C.The population is decreasing D.The population is not evolving

Biology

2 answers:

Leni [432] · Answer 1 · 2023-03-06T13:06:09+03:00

Answer:

The correct answer would be B. the population is evolving.

It can be explained with the help of natural selection. It is a natural phenomenon by which organisms which are better adapted to the changing environment have better chances to survive and reproduce.

It leads to a change in the allele frequency of that trait in a population.

For example, in the given population, the allele frequency of red fur increases from 20 to 30 percent. That means the population is evolving to adapt to the changing environment.

Juliette [100K] · Answer 2 · 2023-03-06T14:30:54+03:00

The allelic frequency of the red fur gene is changed from twenty to thirty percent due to the presence of new genes by evolution.

Further Explanation:

Alleles are the variants of the gene. They contain genetic information in the gene. Allele frequency is defined as the total number of incidence of an allele in a population. Allele frequency help in explaining the diversity of species in a population. It can be calculated or measured by dividing the total number of times that particular interest of allele is noticed in a gene pool by the total number of copies of that allele. The percentage, fraction and decimal can represent it.

The allelic frequency mainly reflects the genetic diversity in a population. Change in the allelic frequency in a population mainly specifies that new mutations or changes have occurred. Change in allelic frequency occurs due to:

Mutations
Natural selection
Gene flow
Genetic drift

Therefore, change in the allele frequency of the red fur gene in a fox gene pool indicates that the population of the fox is evolved.

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Answer Details:

Grade: High School

Subject: Biology

Topic: Ecology

Keywords:

Allelic frequency, gene, decimal, percentage, change, allele, gene flow, mutation, natural selection, genetic drift, fox, red fur, evolved, genetic diversity.