WorksheetsGenotypes and Phenotypes QUIZIZZ
Total questions: 18
Worksheet time: 15mins
An example of a homozygous dominant gene is
Dd
DD
dd
DAB
An example of a homozygous recessive gene is
Dd
DD
dd
DAB
TT is
heterozygous
homozygous
Ff is
heterozygous
homozygous
Brown eyes are dominant to blue eyes.
Bb gives you what phenotype:
(a)
If polydactyly (born with extra toes/fingers) is a dominant trait in cats, then which of the following genotype(s) would produce a cat with extra toes? (Select all that apply.)
TT
Tt
tt
If the ability to taste PTC paper is dominant to not being able to taste PTC paper, which genotype(s) would result in a person NOT able to taste the paper? (Select all that apply.)
TT
Tt
tt
Dark-colored hair is dominant to light-colored hair. If Eugene has brown hair, which genotype(s) could he have? (Select all that apply.)
HH
Hh
hh
Having freckles is dominant to not having freckles. June does NOT have any freckles. Which genotype(s) could she have? (Select all that apply.)
FF
Ff
ff
PP
Homozygous Dominant
Heterozygous
Homozygous Recessive
Hh
Heterozygous Dominant
Homozygous Recessive
Heterozygous
aa
Heterozygous
Homozygous Dominant
Homozygous Recessive
Heterozygous Recessive
BB
dominant
recessive
Mm
dominant
recessive
dd
recessive
dominant
