11:26

Secondary growth in plants

20:06

Dosage compensation

10:00

Aneuploidy and polyploidy

19:03

X inactivation mechanism | Xist in X inactivation

19:48

Biological Sex Determination | Embryology

17:12

C elegans genome

14:29

Sex Determination in Honey Bees | Principles of Inheritance | Biology | Khan Academy

36:14

C elegans development