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Question : When a yellow mouse were crossed to another yellow mouse,the F_(1) generation produces yellow and brown-black mice in the ration 2:1. The yellow mice are never homozygous. The reason is

Answer»

Homozygous YELLOW cannot SURVIVE due to lethal EFFECT of genes
Yellow mice are not very SUITABLE to live
There is no formation of ZYGOTES with homozygous yellow constitution
None of the above

Answer :A


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