By sequencing the genes, researchers are able to determine thegenotype of each m
ID: 2843 • Letter: B
Question
By sequencing the genes, researchers are able to determine thegenotype of each mouse, which is shown in the table below.
Phenotype
Genotype Light Dark
DD 0 11
Dd 0 6
dd 12 0
Using this data, I have to calculate the actualallele and genotype frequencies in this population.
Actual Frequency
D
D
DD
Dd
dd
Explanation / Answer
The data given is as: Darkcoloured (DD) = 11 Lightcoloured (dd) = 12 Darkcoloured intermediate (Dd) = 6 The total population is11+ 12+ 6 =29 According to HardyWeingberg equation f(D) = 2*(11+6) _____________ 2*(11+12+6) = 34 ____ 58 = 0.586 f(d) = 1-0.586 = 0.414 f(DD) =(0.586)2 = 0.34 f(Dd) = 2(*0.586)(0.414) =0.485 f(dd) =(0.414)2 =0.171 So the actual frequency is: D= 0.586 d= 0.414 ( I think there is some typing error i.e.,instead of small d it is printed as capital D) DD= 0.34 Dd = 0.485 dd = 0.717 =0.171 So the actual frequency is: D= 0.586 d= 0.414 ( I think there is some typing error i.e.,instead of small d it is printed as capital D) DD= 0.34 Dd = 0.485 dd = 0.717 I hope Iam clear and thesolution has served your purpose.Related Questions
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