Probability of Inheritance Answers

Determine the genotype of the offspring.1 ✔ DDDddd

2 DD✔ Dddd

3 DD✔ Dddd

4 DDDd✔ dd

Purple petal color in pea plants is dominant to white petal color. Two heterozygous pea plants are crossed. What is the ratio of the offspring with white petals to the total number of offspring? : Express this ratio as a percentage. %

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White feathers in canaries are dominant to yellow feathers. A heterozygous canary is crossed with a homozygous recessive canary. What is the ratio of offspring with white feathers to the total number of offspring? : Express this ratio as a percentage. %

⇒ 4

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Determine the genotype of the following offspring.1 EEAa✔ EeAAEeAaeeaa

2 ✔ EEAaeeaaEeAaEEaa

3 EeAaEEAa✔ EEaaEeaa

4 EEaa✔ eeAAeeAaEEAa

5 EEAAeeAa✔ eeaaEeAa

Unattached earlobes are dominant to attached earlobes. Cleft chin is dominant to no cleft. Parents that are heterozygous for both traits are crossed. Determine the ratio of offspring with the described trait to the total number of offspring: Unattached earlobes and cleft chin : Unattached earlobes and no cleft : Attached earlobes and cleft chin : Attached earlobes and no cleft :

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