I.    Heredity

    A.    The genetic code

        1.    genes = basic unit of genetic information

        2.    chromosomes = rodlike structures located in nucleus; store and
                transmit genetic information

        3.    DNA, deoxyribonucleic acid

            a.    mitosis = cell duplication

    B.    sex chromosomes

        1.    autosomes = 22 matching pairs of chromosomes

        2.    sex chromosomes = 23rd matching pair

            a.    XX, XY

    C.    sex cells

        1.    gametes

        2.    meiosis = cell division

            a.    crossing over

    D.    multiple offspring

        1.    identical/monozygotic twins

        2.    fraternal/dizygotic twins

    E.    patterns of genetic influence

        1.    phenotypes = observable characteristics

        2.    genotypes = genetic material

        3.    dominant-recessive inheritance

            a.    allele = each different form of a gene

            b.    homozygous

            c.    heterozygous

            d.    carriers

        4.    codominance

        5.    incomplete dominance

        6.    polygenetic inheritance

    F.    X-linked inheritance

    G.    mutations

    H.    chromosomal abnormalities

        1.    Down syndrome

        2.    Turner syndrome (XO)

        3.    Klinefelter syndrome (XXY)

        4.    Fragile X syndrome

        5.    XYY Syndrome

II.    Genetic-environmental interactions

    A.    reaction range

III.    Behavioral Genetics

    A.    methods of studying

        1.    selective breeding

        2.    family studies

            a.    twin studies

            b.    adoption studies

            c.    identical twins reared apart

    B.    concordance rates

    C.    heritability coefficient

    D.    sources of environmental influence

        1.    nonshared environmental influences (NSE)

        2.    shared environmental influences (SE)

IV.    Molecular Genetics

Interesting Links:
Behavioral Genetics Association Home Page
Down Syndrome
National Society for Genetic Counselors