Is the following sentence true or false? respiration that takes place inside the cells is the same as breathing air in and out of the lungs. i think this is false.

your answer is "the 1950's"

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.