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In the 1820s and 1830s, what kind of relationship did Americans have with the people of the Far West?
Estrogens
A group of steroid hormones that play a key role in the development and regulation of the female reproductive system and secondary sexual characteristics.
Androgens
A group of hormones that play a role in male traits and reproductive activity; testosterone is the most well-known androgen.
Male Embryo
An embryo that has XY chromosomes, leading to the development of male sexual characteristics.
Seventh Week
refers to a specific time period, which could be significant in various contexts such as pregnancy or a project timeline.
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