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What idea did Hardy and Weinberg disprove?

Answer 1

They disproved the idea that dominant alleles' percentages will rise throughout generations, which causes recessive alleles' percentages to sink.

The Hardy-Weinberg equation is

#p^2+2pq+q^2=1#

where

#p# is the frequency of allele A

#q# is the frequency of allele a

#p^2# is the frequency of individuals with AA

#2pq# is the frequency of individuals with Aa

#q^2# is the frequency of individuals with aa

It means that without an external factor (like mutation or gene flow), the allele frequencies will most likely remain unchanged throughout generations. This is because natural selection only depends on the organism's phenotype and not genotype.

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Answer 2

Benjamin Alvin

Hardy and Weinberg formulated the Hardy-Weinberg principle, which disproved the idea that allele frequencies in a population would always remain constant from one generation to the next in the absence of evolutionary influences.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.