p^2+2pq+q^2=1, p+q=1, p^2=AA genotype population percentage, q^2= aa genotype population percentage, 2pq= Aa genotype population percentage. p=dominent allele frequency, q=recessive allele frequency.
The population's allele and genotype will remain constant from generation to generation when:
1. The breeding population is large
2. Mating is random
3. There is no mutation of the alleles
4. No differential migration occurs
5. There is no selection
If the above do not occur, evolution will not take place, alleles frequencies will remain unchanged.
Evolution is the sum total of genetically inherited changes in the individuals who are the members of a population's gene pool.
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