Electron microscopes can reveal details.

a
.100 times larger than those visible in light microscopes.
b
.the same size as those visible in light microscopes.
c
.100 times smaller than those visible in light microscopes.
d
.1000 times smaller than those visible in light microscopes.

D. 1000 times smaller than those visible in light microscopes.

(happy to help)

Explanation:

the match lol

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.