AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the Hardy-Weinberg theorem, p refers to what?
A
The frequency of the dominant allele.
B
The frequency of the homozygous genotype.
C
The frequency of the recessive allele.
D
The frequency of the homozygous dominant.
Explanation: 

Detailed explanation-1: -In the Hardy Weinberg equation (p2 + q2 + 2pq = 1), p is the frequency of the dominant allele and q is the frequency of the recessive allele for a gene controlled by a pair of alleles.

Detailed explanation-2: -The Hardy-Weinberg Equation p = the frequency of the dominant allele in a population. q = the frequency of the recessive allele in a population.

Detailed explanation-3: -Answer: The frequency of the dominant (normal) allele in the population (p) is simply 1-0.02 = 0.98 (or 98%). The percentage of heterozygous individuals (carriers) in the population. Answer: Since 2pq equals the frequency of heterozygotes or carriers, then the equation will be as follows: 2pq = (2)(.

Detailed explanation-4: -P and q each represent the allele frequency of different alleles. The term p2 represents the frequency of the homozygous dominant genotype. The other term, q2, represents the frequency of the homozygous recessive genotype.

Detailed explanation-5: -The frequency of alleles in a population can be represented by p + q = 1, with p equal to the frequency of the dominant allele and q equal to the frequency of the recessive allele.

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