6. If a person had a widow\'s peak hairline, what possible genotype(s) would the

Question

6. If a person had a widow's peak hairline, what possible genotype(s) would they have?

WW

B. ww

C. Ww

D. a and b above

E. a and c above

F. unable to tell for sure

7. If a person had blue eyes, what possible genotype(s) would they have?

WW

B. ww

C. Ww

D. a and b above

E. a and c above

F. unable to tell for sure

8. If a person had freckles, what possible genotype(s) would they have?

WW

B. ww

C. Ww

D. a and b above

E. a and c above

9. If a person had the ability to roll their tongue, what possible genotype(s) would they have?

WW

B. ww

C. Ww

D. a and b above

E. a and c above

F. unable to tell for sure

10. If a person had a straight thumb, what possible genotype(s) would they have?

WW

B. ww

C. Ww

D. a and b above

E. a and c above

F. unable to tell for sure

WW

B. ww

C. Ww

D. a and b above

E. a and c above

F. unable to tell for sure

Explanation / Answer

Answers

6) If a person had a widow's peak hairline, the possible genotypes are WW or Ww.
- The widow's peak hairline is dominiant trait, so only one gene is capable of trait appearance.
Hence, option E ) A and C above

7)  If a person had blue eyes, the possible genotype is ww.
- The blue eye trait is recessive trait, so it requires two genes fro trait appearance.
Hence, option B) ww

8)  If a person had freckles, the possible genotypes are WW and Ww.
- The frekles is dominiant trait, so only one gene is capable of trait appearance.
Hence, option E ) A and C above

9) If a person had the ability to roll their tongue, the possible genotypes are WW and Ww.
- The ability to roll the tongue is dominiant trait, so only one gene is capable of trait appearance.
Hence, option E ) A and C above

10)  If a person had a straight thumb, the possible genotypes are WW and Ww.
- The straight thumb is dominiant trait, so only one gene is capable for trait appearance.
Hence, option E ) A and C above

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