Given the following genotypes for two parents, AABBCc × AabbCc , assume that all traits exhibit simple dominance and independent assortment. What proportion of the progeny of this cross will be expected to phenotypically resemble the first parent with the genotype A A B B C c ? (A) 1 / 4 (B) 3 / 4 (C) 3 / 8 (D) 1



Answer :

The proportion of the progeny of the given cross that is expected to phenotypically resemble the first parent having the genotype A A B B C c is (B) 3 / 4.

A trihybrid cross involves a cross among three genetic traits of the dissimilar alleles. Each gamete gets one of its traits from each parent and after that the cross can be worked out in the Punnett square.

A trihybrid cross obeys the laws of segregation as well as independent assortment which are also obeyed by both monohybrid and dihybrid cross.

To phenotypically resemble the A A B B C c genotype, an individual is expected to have at least one dominant allele for each gene.

To learn more about independent assortment here

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