Multiple Choice
What type of diseases are commonly studied using genome-wide association studies (GWAS)?
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22. Evolution of Populations
Genetics and Allele Frequencies
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In a population where the frequency of the T allele is 0.7, what is the frequency of the t allele in the gene pool?
A
0.7
B
0.3
C
0.5
D
0.9
Verified step by step guidance1
Understand that allele frequencies in a population must add up to 1. This is based on the principle that the total proportion of all alleles for a particular gene in a population is 100%.
Identify the given frequency of the T allele, which is 0.7.
Use the formula for allele frequencies: p + q = 1, where p is the frequency of one allele (T) and q is the frequency of the other allele (t).
Substitute the given frequency of the T allele into the formula: 0.7 + q = 1.
Solve for q, the frequency of the t allele, by subtracting the frequency of the T allele from 1: q = 1 - 0.7.
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