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Describe the 4 combination ratios as listed out in the chapter
Maternal Relatives
Family members related through one's mother's side, including grandparents, aunts, uncles, and cousins on the mother's side of the family.
Hypothalamus
A region of the brain that regulates bodily functions such as temperature, hunger, thirst, and the release of hormones.
Simon LeVay
A neuroscientist known for his research on brain structures and their relation to sexual orientation.
Sexual Orientation
A person's emotional, romantic, and sexual attraction towards others, which can vary across a spectrum including homosexual, heterosexual, bisexual, asexual, among others.