Answer:
Because women have two X chromosomes.
Explanation:
When two hydrogen atoms enter the ETS as part of either NADH or FADH2, the two hydrogen atoms are split into two H+ and two electrons.I hope this answers the question.
Answer is option a because if a person exhibit trait box close and if a person without trait circle open.
It could either be A or D
D eukaryotic cells have organelles coved by membranes