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How does population size affect allele frequency?

migue

wrote...

Posts: 35

Rep:

11 years ago

How does population size affect allele frequency?

How and why would population size affect the allele frequency in a gene pool?

Thank you in advance!

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2 Replies

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Replies

oangi

wrote...

#1

11 years ago

A larger population size keeps diversity intact with varying alleles for a gene, whereas having a smaller population size can result in either dominant OR recessive traits to be expressed more often, thus losing genetic variability.

smmiller223

wrote...

#2

11 years ago

The greater the population size, the greater the frequency of alles. This is because with an increase population size, it means there is a greater chance of a orangism mating with another organism of different alles, which means there offspring will have a greater genetic diversity, hence greater allels

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