Directions: Use the information given to you below for each trait to answer the problems that follow. Trait Dominant Form Recess
ive Form Letter to Use Hair Color Brown Blond B or b Eye Color Brown Blue E or e Dimples Dimples No Dimples D or d Widow’s Peak Widow’s Peak Not Present W or w Freckles Freckles No Freckles F or f Handedness Right Handed Left Handed H or h 1. What is the genotype of a female who is heterozygous for eye color? _______________________ 2. What is the genotype of a female who is homozygous dominant for dimples? _________________ 3. What is the genotype of a male who is homozygous recessive for hair color? ___________________ 4. What is the genotype of a male who is heterozygous for the widow’s peak? _________________ 5. What is the genotype of a female who is homozygous recessive for eye color? __________________ 6. What is the genotype of a male who is heterozygous for dimples? __________________________ 7. What is the genotype of a female who is homozygous dominant for handedness? _________________ 8. What is the genotype of a male who is homozygous recessive for handedness? __________________ 9. What is the genotype of a male who is heterozygous for freckles? __________________________ 10. What is the genotype of a female who is homozygous dominant for hair color? _________________ 11. If a person has the genotype DD, they are considered to be? __________________________ 12. If a person has the genotype hh, they are considered to be? ____________________ 13. If a person has the genotype Ww, they are considered to be? ______________________________ 14. If a person has the genotype Bb, what trait are they heterozygous for? ________________________ 15. If a person has the genotype FF, what trait are they homozygous for? ________________________ Purple flowers are dominant to white flowers: List the Phenotypes of the flowers: PP________________________ Pp________________________ pp________________________ Brown eyes are dominant to Blue Eyes: List the Phenotypes for the genotypes listed: BB________________________ Bb________________________ bb________________________ Round seeds are dominant to wrinkled seeds. List the Phenotypes for the genotypes listed: RR ________________________ Rr________________________ rr________________________ Bobtails in cats are recessive: List the Phenotypes of the cats: TT________________________ Tt________________________tt________________________
The second line of defence is nonspecific resistance, which kills intruders in a broad manner without focusing on specific individuals: phagocytic cells ingest and kill any germs that enter body tissues.
