The gene map below shows some of the genes on chromosome 2 of the fruit fly Drosophila melanogaster.

velocity and height

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 know can you plzz me with this question im sorry i didt answer your question i just need hel.