University of Ottawa

PSYCHOLOGY 2114

Exam 1

1)Nonshared environment is Plomin's concept that can explain why:

2. Non-twin brothers and sisters share approximately the same number of genes as:

3. The observable expression of one’s genetic makeup is known as the:

4. How many chromosomes do body cells carry in their nuclei?

5. The period of the embryo begins:

6. At which point in development are teratogens most likely to affect organ development?

7. The field of teratology expanded dramatically in response to the tragic consequences of which teratogenic agent?

8. Although maternal malnutrition can have devastating effects on the developing fetus, trace elements in a mother’s diet are also important. For example, deficits of folic acid are associated with babies who have

_                _ defects such as spina bifida.

9. Which of the following medical procedures is now possible?

10. The period of the fetus begins:

11. Which of the following is a general principle outlining the action of teratogens?

12. What is the name for the procedure in which a needle is passed through the mother's abdominal wall to sample the fluid surrounding the fetus?

13. Why are zygotes relatively unaffected by the effects of some teratogenic agents?

14. The advantage of chorionic villus sampling (CVS) over amniocentesis is that CVS:

15. The age of viability refers to the age at which:

16. The effects of early malnutrition include: