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In this video I introduce examples of molecular genetics and how specific genes or chromosomes can influence traits, behaviors, or illnesses. The difference between genetic and inherited is defined and several chromosomal abnormalities are explained including Down Syndrome, Turner Syndrome, and Klinefelter Syndrome. I also mention Androgen Insensitivity Syndrome (AIS) and its relationship to karyotype in understanding situations in which sex is not clearly male or female. Phenylketonuria (PKU) is also explained as an example of how specific genes influence traits while still including environmental factors.

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