IQ Variation & Distribution

In this video I describe variation in IQ scores and the distribution of IQ scores in the general population. IQ scores follow a normal distribution with a mean of 100 and a standard deviation of about 15 points. Knowing IQ follows a normal distribution allows us to estimate percentile scores for IQ and see how a particular score compares with … Read More

Chromosomal Abnormalities and Molecular Genetics

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 … Read More