In 1905, Lucien Cuenot observed that crosses between two yellow mice consistently produced progeny ratios of two yellow : one agouti (wild-type). What is the explanation for the observed 2:1 phenotype ratio?

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asked Nov 21, 2012 in Genetics by GeneX ~Top Expert~ (7,947 points)

1 Answer

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The yellow allele is a recessive lethal.

answered Nov 21, 2012 by GeneX ~Top Expert~ (7,947 points)

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