Solution-Get the wild-type phenotype

A certain trait is affected by four genes. At least one dominant allele for each gene is required to get the wild-type phenotype. if you cross AaBbCcID x aaBbCcID and obtain 32 progeny, how many organisms with a mutant phenotype would you expect?

a. 1

b. 9

c. 23

d. 27

e. 37

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