What would be the frequency of AABBCC individuals from a mating of two AaBbCc individuals? Select...

What would be the frequency of AABBCC individuals from a mating of two AaBbCc individuals?

Select one:

a. 1/64

b. 1/32

c. 1/8

d. 3/16

e. 1/4

f. 1/16

Solutions

Expert Solution

The correct answer is option (a) 1/64.

AaBbCc individuals would have gametes as ABC, ABc, AbC, aBC, Abc, aBC, abC, abc. When a punnet square is worked out, the ratio comes out to be 27:9:9:9:3:3:1.

To calculate frequency of AABBCC, we need to divide number of genotypes with AABBCC/ Total number of individuals.

As shown in attached figure, there is only 1 individual with this genotype out of 64. So, frequency will be 1/64.

gladiator answered 1 year ago

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