assume in a hardy weinberg population of 1600 no of recessive individuals are 256. find the genotypic frequency of heterozygote dominant
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Answered by
1
Answer:
From Hardy-Weinberg equilibrium, p + q = 1,
q = 1 – p = 1 – 0.7 = 0.3
q2 =0.3 *0.3=0.09
The homozygous dominant individuals are represented by
1600 *p =1120
1600*q=144
So, the correct option is '144'
Explanation:
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Answered by
2
Answer:
The genotypic frequency of heterozygous dominant is 0.48.
Explanation:
- According to the Hardy-Weinberg equilibrium, if no unfavorable influences exist, genetic variation in a population will remain stable from one generation to the next.
- The law predicts that genotype and allele frequencies will remain constant because they are in equilibrium when mating is random in a large population with no disruptive factors.
- Numerous factors, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow, have the potential to upset the Hardy-Weinberg equilibrium.
- p^2 + 2pq + q^2 = 1;
- p^2 = dominant homozygous frequency (AA)
- 2pq = heterozygous frequency (Aa)
- q^2 = recessive homozygous frequency (aa)
- Information given:
- Total population= 1600
- No. of recessive individuals (q^2)= 256/1600= 0.16
- q= 0.4
- p + q=1; p=0.6
- 2pq= 2*0.6*0.4= 0.48
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