1. It is a biography because it gives important info and it is not first person. 2. The text feature is a caption.
3. He found the main words from "The Rolling Squads" and the author probably used this title because he was often told that him be paralized would be a problem and he still does basketball.
4. I'm not sure about this one, but I guessing that there is no law that stops him proving that even though he is paralized, he can still do things.
The correct answer is Gametogenesis. Gametogenesis is a biological process where diploid cells undergo cell division and formation and maturation of gametes. Down syndrome can be considered to be a disorder where a human has 47 chromosomes instead of having only 46.