A Heterozygous Fruit Fly with Normal Wings and a Gray

Multiple Choice

A heterozygous fruit fly with normal wings and a gray body ( VvBb ) is crossed with homozygous flies with vestigial wings and black bodies ( vvbb ) . Out of 800 total F₁ progeny, 296 are normal gray, 328 are vestigial black, 99 are normal black, and 77 are vestigial gray. What is the best explanation for this result?

A) The loci for wing length and body color are on different chromosomes.
B) The loci for wing length and body color are on sex chromosomes.
C) The loci for wing length and body color are on the same chromosome.
D) Mendel's principle of independent assortment accounts for this.
E) Mendel's principle of segregation accounts for this.