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________________________
When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them.
Butterflies taste with their feet to tell on which plans they lay their eggs on. Plus, they have a taste sensors on their feet. Hope I helped you. xoxo :)
