The answer is A because the males sperm determines the sex of a baby.The determines sperm is carrying an X or Y chromosome.
Mitochondria is described as the power house of the cell, because it is the cell organelle that process the production of ATP, which is the energy source of the cell. Kreb's cycle occurs in the mitochondria, it is the process by which energy is generated inside the cell, leading to the production of ATP and carbon dioxide and water are given up as waste products.
The answer is 120! good luck
I BELIEVE the answer is D) 4.