Answer:
http://large.stanford.edu/courses/2017/ph240/black1/
Explanation:
Answer:
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Explanation:
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Answer:
Estrous cycles give females repeated opportunities to become pregnant throughout their productive lifetime. The cycle is regulated by the hypothalamic-pituitary-gonadal axis, which produces hormones that dictate reproductive events.
Explanation:
<span>recombination of alleles through meiosis and fertilization</span>