Chapter 17

4. confidence that a person can control his or her own body, impulses and environment
8. process of inserting normal genes into human cells to correct genetic disorders
11. steps that a pregnant female can take to provide for her own health and the health of her baby
12. group of developing cells after 8 weeks
15. Week when a fetus sucks thumb and makes crying motions
18. basic units of heredity
20. chemical unit that makes up chromosomes
21. procedure in which a syringe is inserted into female’s abdominal wall to remove amniotic fluid
23. 30% of low birth weight at birth and 10% of infant death
26. abnormal lateral, or side to side, curvature of the spine
27. group of alcohol-related birth defects that includes both physical and mental problems
28. cluster of cells that develops between the 3rd to 8th week of pregnancy
29. spontaneous expulsion of fetus before 20 weeks

1. zygote implants in fallopian tube, abdomen, ovary or cervix
2. blood-rich tissue that lines the uterus, provides nutrients
3. air pollution
5. number of stages for childbirth
6. found in shark, swordfish, and king mackerel
7. events that need to happen in order for a person to continue growing toward becoming a healthy, mature adult
9. connects the placenta to the fetus
10. union of the male sperm cell and a female egg cell
13. process by which the zygote attaches to the uterine wall
14. disorders caused partly or completely by a defect in genes
16. thin, fluid-filled sac that surrounds the embryo
17. found in x-rays
19. found in paint, glassware and dinnerware
22. dilates from 0 to 10 cm
24. thread-like structures found within the nucleus of a cell that carry the codes for inherited traits
25. how many weeks is long is pregnancy