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प्रश्न
What does the following equation represent? Explain:
p2 + 2pq + q2 = 1.
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उत्तर
The given equation represents the gene frequency of the total population according to Hardy–Weinberg law. In this equation, suppose a gene has two alleles A and a, and p is the frequency of occurrence of dominant allele A and q is the frequency of occurrence of recessive allele a in the parental generation.
Then according to the equation,
p2 + 2pq + q2 = 1
where p2 = frequency of occurrence of individuals with homozygous dominant alleles (AA)
2pq = frequency of occurrence of heterozygous individuals (Aa)
q2 = frequency of occurrence of individuals with homozygous recessive alleles (aa)
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संबंधित प्रश्न
State Hardy-Weinberg’s principle.
According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?
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| Genotypes: | BB | Bb | bb |
| frequency: | 22% | 62% | 16% |
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State and explain any three factors affecting allele frequency in populations.
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