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Hardy – Weinberg Principle mathematically explains the occurrence and consistency of gene frequency for a particular gene. The principle states that the allelic frequency remains constant through generations and the gene pool remains constant. This phenomenon is called genetic equilibrium. Also, all the allelic frequencies sum up to 1.
The equation is an expression of the principle known as Hardy-Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
Hardy-Weinberg equation is p 2 + 2pq + q 2 = 1. Here, p is the frequency of the "A" allele and q is the frequency of the "a" allele in the population. Thus, p 2 represents the frequency of the homozygous genotype AA, q 2 is the frequency of the homozygous genotype aa, and 2pq represents the frequency of the heterozygous genotype Aa.
Q 4. In Hardy-Weinberg equation, the frequency of heterozygous individuals is represented by. View Solution. Q 5. According to the Hardy-Weinberg’s equation p2+q2+2pq should be equal to. View Solution. Click here:point_up_2:to get an answer to your question :writing_hand:in hardyweinberg equation the frequency of heterozygous individuals is ...
The equation p2 + 2pq + q2 = 1 is a binomial expansion of (p+q)2. It mathematically represents the Hardy-Weinberg’s principle which is used to calculate the genetic variation of a population at equilibrium. This principle states that “Allele frequencies in a population are stable and remain constant from generation to generation”.
The Hardy-Weinberg equation for a gene with two alleles is as follows: p 2 + 2 p q + q 2 = p + q = 1
Hardy-Weinberg equation helps in finding: (I) Frequency of recessive allele responsible for X-linked recessive disease in a population (II) Frequency of occurrence of alleles of a gene in a population (III) Frequency of mutant gene in a population (IV) Frequency of heterozygotes in a population Choose the correct option.
According to the Hardy-Weinberg equation, the sum of the allele frequencies for all the alleles at the locus must be 1, so p + q = 1. Also, the Hardy-Weinberg equation is expressed as: p 2 + 2pq + q 2 = 1 where p is the frequency of the "A" allele and q is the frequency of the "a" allele in the population.
The Hardy-Weinberg equation for a gene with two alleles is as follows: p 2+2pq+q 2=p+q=1. Which part of the equation represents the frequency of one of the alleles? Medium. View solution. >. 60% of alleles of a gene in a population are recessive. The proportion of heterozygous individuals would be. Hard.
p−q= 1. Solution. Verified by Toppr. The Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors. When there are two alleles of a gene in a population, the frequencies ...