Download Secrets of Life Video Questions

Name:
1. “By the time a baby is born it is already a mass of…
__________________________________________.”
2. “Limbs grow and the stumps on their surface become
____________________________________.”
3. “The differences between humans and chickens is not the sort of cells they are made of
4. but___________________________________________.”
5. Jeffery has his heart on the ________________________________
6. Every one of the billion cells in the body contain the same instructions. These instructions are
written in
7. the _________________________________.
8. To study how the fruit fly knows to develop head from tail, scientists had to study which stage of
the fly’s life cycle?
9. “At the front end the chemical switches on just _____________________________________.”
10. How many letters of the genetic code (ATCG) does it take to build one human being?
11. Marilyn had been born a woman but had the male__________________________________
12. When the SRY gene was added to a “female” mouse embryo what happened to the mouse
embryos?
13. The SRY gene acts as a control gene. What does the SRY gene turn on?
14. Females can be XY if what is missing from the Y chromosome?