mdbdidjdksnd
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IJaguar
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If all of the individuals who are homozygous recessive die, then you'd have a smaller population, and a greater proportion would be heterozygous.

E.g. If there was a population of 10 people, with 5 being heterozygous and 2 being homozygous recessive then 5/10 people (50%) would be heterozygous. If however, the homozygous recessive individuals died, there'd be 8 people in the population instead, and so 5/8 people (62.5%) would be heterozygous.

I hope this explanation helped at least a bit?
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