CHAPTER 6 QUIZ ANSWERS
1. A
2. C
3. D
4. C
5. D
6. B
7. A
8. A
9. D
10. B
11. D
12. E
13. F
14. A
15. B
16. C
17. Variation is produced through independent assortment and crossing over in meiosis and the meeting of egg
and sperm in fertilization.
18. Sexual reproduction by internal fertilization provides advantages since there is more protection for embryos
and more parental care of offspring, and offspring are genetically different.
19. Answers should include: Some infertile couples are able to have a child. Couples can select embryos to exclude
embryos with genetic defects. Parents trying to help cure a sick child can screen and select embryos for tissue
matches. Extra embryos can be made available for stem cell research.
1. A
2. C
3. D
4. C
5. D
6. B
7. A
8. A
9. D
10. B
11. D
12. E
13. F
14. A
15. B
16. C
17. Variation is produced through independent assortment and crossing over in meiosis and the meeting of egg
and sperm in fertilization.
18. Sexual reproduction by internal fertilization provides advantages since there is more protection for embryos
and more parental care of offspring, and offspring are genetically different.
19. Answers should include: Some infertile couples are able to have a child. Couples can select embryos to exclude
embryos with genetic defects. Parents trying to help cure a sick child can screen and select embryos for tissue
matches. Extra embryos can be made available for stem cell research.