Phenotypically Wild-Type F₁ female Drosophila,whose Mothers Had Light Eyes Lt

question 24

Multiple Choice

Phenotypically wild-type F₁ female Drosophila,whose mothers had light eyes lt and fathers had straw stw bristles,produced the following offspring when crossed to homozygous light-straw males: Compute the map distance between the light and straw loci.

• A)4 map units
• B)98 map units
• C)12 map units
• D)8 map units
• E)2 map units