Presents an overview of a genetics course including explanations of major concepts, principles, and sequencing methods. Describes the typical participating student's background and prior knowledge level. Appendices contain a list of terms and three concept maps. (ML)

Fragile X syndrome is the most common cause of mental retardation next to Down syndrome. The syndrome is more prevalent in males because they only have one X chromosome, where the gene for fragile X is carried, while women have two X chromosomes and the normal gene can compensate for the affected chromosome. Certain physical features are…

Reviews the current theories concerning individual differences in cognitive functioning. While some argue that heredity places a genetic cap on intellectual development, others emphasize the dynamic interrelationship between cultural and environmental factors. Concludes that intelligence is more complex than the heredity advocates allow. (MJP)