Transcript PPT

Genetics
Unit 1 Review
In humans, being a tongue roller (R) is dominant over non-roller.
A man who is a non-roller marries a woman who is heterozygous
for tongue rolling.
Father’s genotype: ________
Mother’s genotype: ________
Genotype ratio:
Phenotype ratio:
In a particular species of flower, tall (T) is dominant to short, and orange
petals (F) are dominant to the recessive white color. Cross a
homozygous tall white flower with a flower heterozygous for both traits.
Parent 1 genotype: ________
Parent 2 genotype: ________
Genotype ratio:
Phenotype ratio: