What phenotypes and ratios are expected in the f2 generation

Reference no: EM133423616

Case Study: A student performs the following dihybrid cross with fruit flies: True-breeding males with fat body shape and wild type gray body color are mated to true-breeding females with normal body shape and ebony body color. The fat body shape and ebony body color mutations are both recessive. The body shape gene is on located on the second chromosome while the body color gene is located on the third chromosome.

Question:

Assign letter designations to each gene and the alleles. Write out the cross and the expected F1 offspring.
If the F1 hybrid female fruit flies are mated to "tester" males with fat body shape and ebony body color, what phenotypes and ratios are expected in the F2 generation?

Reference no: EM133423616

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