round all answers to 2 decimal places 3. A population of birds contains 32 anima
ID: 150189 • Letter: R
Question
round all answers to 2 decimal places
3. A population of birds contains 32 animals with red tail feathers and 68 animals with blue tail feathers. Blue tail feathers are the dominant trait 1. 2. 3. 4. What is the frequency of the red allele? What is the frequency of the blue allele? What is the frequency of heterozygotes? What is the frequency of birds homozygous for the blue allele? 4. Brown hair (B) is dominant to blond hair (b). If there are 158 brown haired people in a population of 200 1. 2. 3. What is the predicted frequency of heterozygotes? What is the predicted frequency of homozygous dominant? What is the predicted frequency of homozygous recessive? 5. If 80 out of 400 individuals in a population express the recessive phenotype, what percent of the population are heterozygotes?Explanation / Answer
3. Blue = Dominant = B
Red = Recessive = b
Total population = 32 + 68 = 100
Total number of alleles = 100 X 2 = 200
bb = 32
Number of b alleles = 64
Frequency of b allele = 64/200 = 0.32
Frequency of B allele = 1 - 0.32 = 0.68
Frequency of heterozygotes, 2pq = 2 X 0.32 X 0.68 = 0.435
Frequency of blue homozygotes, BB, p2 = 0.68 X 0.68 =0.4624
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