AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the Hardy-Weinberg Equation?
A
p + q = 1
B
p2 + 2pq + q2 = 1
C
p2 + pq2 + q2 = 1
D
p + 2pq + q3 = 1
Explanation: 

Detailed explanation-1: -In the equation, p2 represents the frequency of the homozygous genotype AA, q2 represents the frequency of the homozygous genotype aa, and 2pq represents the frequency of the heterozygous genotype Aa. In addition, the sum of the allele frequencies for all the alleles at the locus must be 1, so p + q = 1.

Detailed explanation-2: -This equation relates allele frequencies to genotype frequencies for populations in Hardy-Weinberg equilibrium.

Detailed explanation-3: -p2 + 2pq + q2 = 1 and p + q = 1. p = frequency of the dominant allele in the population. q = frequency of the recessive allele in the population. p2 = percentage of homozygous dominant individuals. q2 = percentage of homozygous recessive individuals.

Detailed explanation-4: -The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium. The Hardy-Weinberg equation is expressed as:p2+ 2Pq+q2 = 1 where p is the frequency of the A allele and q is the frequency of the a allele in the population.

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