Khan Academy

Introduction to heredity (K-A)

Mendel and his peas (K-A)

Probabilities in genetics (K-A)

The law of independent assortment (K-A)

The law of segregation (K-A)

Worked example: Punnett squares-video (K-A)

Multiple alleles, incomplete dominance, and codominance (K-A)

Pleiotropy and lethal alleles (K-A)

Polygenic inheritance and environmental effects (K-A)

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

Worked example: Punnett squares (K-A)

Boveri-Sutton chromosome theory (K-A)

Genetic linkage & mapping (K-A)

The chromosomal basis of inheritance (K-A)

Thomas Hunt Morgan and fruit flies (K-A)

Aneuploidy & chromosomal rearrangements (K-A)

Inheritance of mitochondrial and chloroplast DNA (K-A)

Sex-linked traits (K-A)

X-inactivation (K-A)

X-linked inheritance (K-A)

Alleles and genes-video (K-A)

DNA replication and RNA transcription and translation-videp (K-A)

DNA-video (K-A)

Animal behavior-video (K-A)

Animal development: We're just tubes (K-A)