Genetics
Review
PSY
356
- Chromosomes - autosomes; sex chromosomes
- Human Genome Project
- Mitosis vs. meiosis
- Gene; DNA; alleles
- Phenotype vs. genotype
- Principle of dominance -
recessive and dominant genes
- Polygenic inheritance;
incomplete dominance; codominance
- Genetic disorders - dominant
traits (Huntington's chorea); recessive traits (Tay-Sachs;
PKU; Sickle-cell anemia)
- Chromosomal defects - Down
Syndrome; Kleinfelter's; XYY; Fragile X; XXX;
Turner's
- X-linked traits
- Models of Gene-Environment
Interaction - range of reaction; Niche-picking model; nonshared
environment; canalization
- Probabilistic epigenesis
- Twin and adoption studies -
monozygotic and dizygotic twins;
- Prenatal screening –
ultrasound, CVS, amniocentesis