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4 years ago

Why are small populations more prone to genetic disease

Biology

2 answers:

GaryK [48]4 years ago

8 0

Answer:

Inbreeding and greater chance of passing deletereous mutations through generations

Explanation:

There are several reasons why small populations are more prone to genetic diseases. One of them is that in small populations there tends to be more inbreeding , that is breeding between individuals are closely related. Inbreeding increase the chances of offspring being affected by deletereus homozygous genotypes.

On the other hand, the acquisition of a deleterious mutation in a small population is more likely to be spread in that small population than in a large population.

s344n2d4d5 [400]4 years ago

3 0

<u>The small population is prone to the disease more than the large population</u> as the former have less diversity of organism and therefore there are fewer chances of occurrence of an organism that have resistance to the disease.

Further Explanation:

Genetic drift refers to <u>the change in the allele frequency observed in the population due to random sampling</u>. This may occur due to a bottleneck effect or Founder’s effect.

The allele frequency remains constant if the population follows the Hardy-Weinberg equilibrium.

There is more probability of occurrence of diversity in a population of large size that is the large population has an <u>organism that has homozygous dominant allele, heterozygous allele</u>, and homozygous recessive allele. So there is more probability that this population may have an organism having disease-resistant allele than the population of small size.

Learn More:

1. Learn more about the effects of vigorous exercise on cardiorespiratory system brainly.com/question/1209683

2. Learn more about the structure of epithelium and connective tissue brainly.com/question/4557690

3. Learn more about the secondary function of the lymphatic system brainly.com/question/2909254

Answer Details:

Grade: High school

Chapter: Evolution

Subject: Biology

Keywords:

Population, organism, resistance, disease, Genetic drift, allele frequency, random sampling, bottleneck effect, Founder’s effect, Hardy-Weinberg equilibrium, homozygous dominant allele, heterozygous allele, a homozygous recessive allele

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