Khan Academy

Chromosomal crossover in meiosis I (K-A)

Fertilization terminology: gametes, zygotes, haploid, diploid-video (K-A)

Meiosis (K-A)

Phases of meiosis I (K-A)

Phases of meiosis II (K-A)

Fertilization terminology: gametes, zygotes, haploid, diploid (K-A)

Alleles and genes (K-A)

Introduction to heredity (K-A)

Mendel and his peas (K-A)

Pedigrees (K-A)

The law of independent assortment (K-A)

Probabilities in genetics (K-A)

The law of segregation (K-A)

Worked example: Punnett squares (K-A)

Genetic linkage & mapping (K-A)

Extranuclear inheritance 1 (K-A)

Inheritance of mitochondrial and chloroplast DNA (K-A)

Pedigree for determining probability of exhibiting sex linked recessive trait (K-A)

Pedigrees review (K-A)

The chromosomal basis of inheritance-link (K-A)

Sex-linked traits (K-A)

Thomas Hunt Morgan and fruit flies (K-A)

Variations on Mendel's laws (overview) (K-A)

X-linked inheritance (K-A)

Gel electrophoresis (K-A)