7:18

Difference between multiple alleles and polygenic inheritance

10:21

Chromosome chromatin and chromatid

16:06

Aneuploidy and Nondisjunction

9:22

Polyploidy

19:36

Polyploidy, Euploidy, Aneuploidy (Ploidy number) & Numerical Chromosomal Aberrations

16:20

Genetic Drift - bottleneck and founder effect

8:00

Alteration of Chromosome Number and Structure

4:54

Aneuploidy - Cell division slipped out of gear