ABO blood type is examined in a Taiwanese population, and allele ...

Question

ABO blood type is examined in a Taiwanese population, and allele frequencies are determined. In the population, f(Iᴬ)=0.30, f(Iᴮ)=0.15, and f(i)=0.55.f. Assuming Hardy–Weinberg conditions apply, what are the frequencies of genotypes, and what are the blood group frequencies in this population?

Accepted Answer

Hello everyone and welcome to today's video. So in our population, the frequency of the A B O blood group A are as follows. So we have the frequency of A is 0.40. The frequency of B 0.25 the frequency of O is going to be 0.35. So what is the genotypic frequency of the individuals with the blood type O in the above mentioned population? So as answer choice A, we have 0.6 25. As answer choice B we have 0.1225 as answer choice C we have 0.16. And as answer choice D we have 0.2. Now, I want you to realize from this problem that if we want to obtain this old blood group, we need this I operate or I to the power of the O A leo repeated twice in the genotype. So this is what it's going to look like. This is going to provide us with the O blood group. So we need this homozygous genotype in order to obtain the blood group. So the frequency of a single allele in this genotype is going to be 0.35. So if we want to determine the frequency of the genotype with both the recessive, all, all we have to do is multiply these. And the result is going to be the frequency of individuals with the o blood group, which is going to be 0.1225. And this is represented by answer choice B 0.1225. I really hope this helped and I hope to see you on the next one.

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ABO blood type is examined in a Taiwanese population, and allele frequencies are determined. In the population, f(Iᴬ)=0.30, f(Iᴮ)=0.15, and f(i)=0.55.f. Assuming Hardy–Weinberg conditions apply, what are the frequencies of genotypes, and what are the blood group frequencies in this population?