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.
Estrogen is used to treat postmenopausal symptoms such as hot flashes and vaginal dryness. Although it does not cause blood clots, estrogen does increase a womanâs chance of developing a blood clot by two- to fourfold. Most postmenopausal hormone therapies contain both an estrogen and a progestin (synthetic progesterone).