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Station 1
1. Widow’s peak is dominant to no widow’s peak. Determine the
genotype and phenotype ratios for a homozygous dominant female and
a homozygous recessive male.
2. Dimples is dominant to no dimples. Determine the genotype and
phenotype ratios for a heterozygous female and a homozygous
dominant male.
Station 2
3. Short hair is dominant to long hair in mice. Determine the genotype
and phenotype ratios for a homozygous recessive female and a
heterozygous male.
4. Cleft chin is dominant to no cleft chin. Determine the genotype and
phenotype ratios for a heterozygous female and a heterozygous male.
Station 3
5. Brown eyes are dominant to blue eyes. Determine the genotype and
phenotype ratios for a homozygous dominant female and a
homozygous dominant male.
6. Purple flowers are dominant to white flowers in pea plants.
Determine the genotype and phenotype ratios for a homozygous
dominant female and a heterozygous male.
Station 4
7. Brown hair is dominant to gray hair in mice. Determine the
genotype and phenotype ratios for a homozygous recessive female and
a homozygous recessive male.
8. Free ear lobes are dominant to attached ear lobes. Determine the
genotype and phenotype ratios for a heterozygous female and a
homozygous recessive male.
Station 5
9. Green peas are dominant to yellow peas. Determine the genotype
and phenotype ratios for a heterozygous female and a heterozygous
male.
10. Tall plants are dominant to short plants. Determine the genotype
and phenotype ratios for a homozygous recessive female and a
homozygous dominant male.
Station 6
11. A homozygous dominant brown mouse is crossed with a
heterozygous brown mouse (tan is the recessive color).
12. Two heterozygous white (brown fur is recessive) rabbits are
crossed.
Station 7
13.Two heterozygous red flowers (white flowers are recessive) are
crossed.
14.A homozygous tall plant is crossed with a heterozygous tall plant
(short is the recessive size)
Station 8
15. A heterozygous white rabbit is crossed with a homozygous
recessive black rabbit.
16. Homozygous dominant white rabbit is crossed with a
homozygous recessive black rabbit.