Zygote is the diploid cell that results from the fertilization between an egg and a sperm. Etymology. Came from the Greek word âgametesâ meaning âhusbandâ and âgameteâ meaning âwife.â. Came from the Greek word âzygotosâ meaning âjoined or yoked or to yoke.
This is not causation, but facilitation after the fact. Stating that estrogen causes breast cancer is like saying fertilizer causes weeds. In a garden even weeds need some soil nutrients, and if these are completely removed, the weeds can't grow...but neither can the desired plants.
This is why women's hair is more abundant than men's. Remember, too, that estrogen works in opposition to the testosterone in the female body, preventing the hair loss that testosterone can cause. What's more, studies suggest that estrogen doesn't JUST protect against hair loss, but actually stimulates new hair growth.