In case of rats the homozygous yellow allele is lethal. If you cross t – McqOptions

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1.	In case of rats the homozygous yellow allele is lethal. If you cross two yellow pats, what will be the ratio of white and yellow rats?
A.	1:2:1
B.	3:1
C.	2:1
D.	1:1
Answer» D. 1:1

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