13:59

Trisomy (21, 18, and 13) & Nondisjunction Genetics

7:33

Chromosomes and Karyotypes

13:27

Abnormal Meiosis | Non-disjunction and the formation of Down syndrome

18:24

Mitosis, Meiosis and Sexual Reproduction

16:06

Aneuploidy and Nondisjunction

12:50

Meiosis: Why Are All Humans Unique?: Crash Course Biology #30

5:15

Nondisjunction in Meiosis

8:00

Alteration of Chromosome Number and Structure