Examlex
Briefly explain the three major steps in the polymerase chain reaction.
Sexual Orientation
A preference for sexual partners of the same sex, the opposite sex, both sexes, or neither sex.
Nature
Refers to the phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.
Nurture
The action of caring for and encouraging the growth or development of someone or something.
Sociobiology
The study of how biology affects social behavior.
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