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14 questions
Genotype or Phenotype: Freckles
Genotype
Phenotype
Genotype or Phenotype: Black hair
Phenotype
Genotype
Genotype or Phenotype: ff
Genotype
Phenotype
Homozygous or Heterozygous: ff
Homozygous
Heterozygous
Homozygous or Heterozygous: Ff
Homozygous
Heterozygous
The heterozygous DOMINANT trait of dimples?
DD
dd
Dd
A mom with the heterozygous gene for Widows peak and a father with the heterozygous gene for Widows peak: odds their baby HAS a widow's peak?
0%
25%
75%
100%
A mom with a dominant HOMOZYGOUS gene of a hitchhiker's thumb and a dad with a homozygous recessive gene for a straight thumb. What is the baby's phenotype?
50% straight thumb
100% Hitchhiker's Thumb
25% Hitchhiker's Thumb
In a Punnett square, a lower case letter stands for a ____________ allele.
dominant
recessive
homozygous
heterozygous
In animals, shaggy fur is dominant to short fur. According to the genotypes shown, what percent of offspring will have short fur?
0
25
50
75
100
If a black guinea pig (BB) and a white guinea pig (bb) mate, there is a ______ chance that a white guinea pig will be born.
0%
25%
50%
75%
100%
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