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Explain Hardy-Weinberg principle.

 

 

 

 
 
 
 
 

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Hardy-Weinberg principle states that the frequency of occurrence of alleles of a gene in a population is stable and is constant from generation to generation.

It is expressed as p^{2}+q^{2}+2pq=1

Sum of total allelic frequencies is 1

p and q represent the frequency of alleles A and allele a.

The frequency of AA individuals in a population is p^{2}.

Similarly of aa is q^{2} , of Aa is 2pq

Five factors are known to affect Hardy - Weinberg equilibrium.

These are gene migration or gene flow, genetic drift, mutation genetic recombination, and natural selection.

Posted by

Priyanka Kumari

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