This educational film from 1970 traces the inheritance of traits such as sex, eye color, height, and weight, showing the role of chromosomes and genes in determining their development.
- Origin
- US
Sign in
Pick up exactly where you left off.
Tick an episode and the rest sorts itself out: what is waiting tonight, what airs tomorrow, what you abandoned two years ago. And under every episode, what other people made of it, without ever spoiling what comes next.
Create an accountFree, no ads.