In the estrous cycle, which phase is dominated by progesterone and which phase is dominated by estradiol?
1) Follicular phase is dominated by progesterone and luteal phase is dominated by estradiol
2) Follicular phase is dominated by estradiol and luteal phase is dominated by progesterone
3) Both follicular and luteal phases are dominated by progesterone
4) Both follicular and luteal phases are dominated by estradiol