Khan Academy

DNA-video (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)

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)

Classic experiments: DNA as the genetic material (K-A)

Discovery of the structure of DNA (K-A)

DNA as the "transforming principle" (K-A)

Hershey and Chase: DNA is the genetic material (K-A)

The discovery of the double helix structure of DNA (K-A)

DNA proofreading and repair (K-A)

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

Leading and lagging strands in DNA replication (K-A)

Mode of DNA replication: Meselson-Stahl experiment (K-A)

Molecular mechanism of DNA replication (K-A)

Antiparallel structure of DNA strands-video (K-A)

Molecular structure of DNA-video (K-A)

DNA-(video) (K-A)

Speed and precision of DNA replication (K-A)