The two graphs below show the dependence of phenotype on genotype (left) and the

Question

The two graphs below show the dependence of phenotype on genotype (left) and the dependence of fitness on phenotype (right).
Imagine there are two populations: one with few individuals (very small) and one with many individuals (very large) and each one starts with all heterozygous (Aa) individuals.
Choose the graph that best matches the predictions from evolutionary theory for evolution in the two populations (or choose E) * A B C D E 24 20 16 16 20 24 Number of A Alleles Phenotype ssauild 900-1 of 09000 um 24 20 adAyouaud

Explanation / Answer

answer option A

in large population

all heterozygous (Aa) individuals.

Aa x Aa

leads increase in homozygotes....consequent generation

AA------1/4

Aa -----1/2

aa -----1/4

-----------

in small population ,evolutionary force.... leads fixation or elimnation of alleles in population

hence the graph A

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