Females of genotype AaBbCc were crossed with males of genotype
aabbcc.This resulted in 1000 progeny of...
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Biology
Females of genotype AaBbCc were crossed with males of genotypeaabbcc.This resulted in 1000 progeny of the followingphenotypes:
A B C
3
A B c
365
A b C
84
A b c
44
a B C
65
a B c
98
a b C
340
a b c
1
a) Calculate the distance between genes A and B.
b) Calculate the distance between genes B and C.
c) Calculate the observed frequency of double crossovers.
d) Calculate the expected frequency of double crossovers.
e) Draw the map of these loci.
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AnswerAccording to the given questionHere we have a female which areheterozygous having genotype AaBbCc was crossed with homozygousrecessive male having genotype AaBbCc then we get total 1000offspring out of whichABc 365abC 340aBc
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