When flies having a gray body and normal wings were crossed with flies having a black body and vestigial wings, the f2 generation showed a phenotypic ratio of 3: 1, and not 9: 3: 3: 1.

b ti isnfornopgnoernfrof

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101