For each problem, draw a Punnett square and write the genotypes and phenotypes of the offspring.
1. Predict the genotypic and phenotypic outcome (offspring) of a cross between two heterozygous tall pea
plants.
2. In pea plants, yellow peas are dominant over green peas. Predict the genotypic and phenotypic outcome
of a cross between a plant heterozygous for yellow peas and a plant homozygous for green peas.
3. Predict the phenotypic and genotypic outcome (offspring) of a cross between two plants heterozygous
for yellow peas.
4. In pea plants, round peas are dominant over wrinkled peas. Predict the phenotypic and genotypic
outcome (offspring) of a cross between a plant homozygous for round peas and a plant homozygous for
wrinkled peas.
5. Predict the phenotypic and genotypic outcome (offspring) of a cross between two plants heterozygous
for round peas.
6. One cat carries heterozygous, long-haired traits (Ss), and its mate carries homozygous short-haired traits
(ss). Use a Punnett square to determine the probability of their offspring having long hair and the
probability of their offspring having short hair.
7. One flower is heterozygous red and it is crossed with a homozygous white plant. Use a Punnett square
to determine the probability of their offspring having a red color and the probability of their offspring
having a white color.
8. A woman who is a carrier (heterozygous) for Cystic Fibrosis marries a man who has Cystic Fibrosis, a
recessive disease. What are the genotypes? What is the probability that their children will have the
disease? What is the probability that their children will not have the disease? Show a Punnett square!
9. A woman who is a carrier (heterozygous) for Huntington’s Disease, which is a dominant disease,
marries a man who is also a carrier for the disease. What are the genotypes? What is the probability
that their children will have the disease? What is the probability that their children will not have the
disease? Show a Punnett square!
Answers
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Answer:
transfer pollen grained from the another to the stigma of a different flower transfers limited number of pollens required pollination to transfer pollen grained it occurs in both unisexual and bisexual flowers
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Answered by
1
Answer:
transfer pollen grained from the another to the stigma of a different flower transfers limited number of pollens required pollination to transfer pollen grained it occurs in both unisexual and bisexual flowers
Step-by-step explanation:
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