Determine the genotypes of the parents if the father is blood type A, the mother is blood type B, the daughter is blood type O, one son is blood type AB, and the other son is blood type B.

What is the chance of producing a son with normal vision if the father is color-blind and the mother is homozygous normal for the trait? Explain.

When a couple requests a test for cystic fibrosis, what types of questions might the physician ask before ordering the tests?

A woman with blood type A has two children. One has type O blood and the other has type B blood. What is the genotype of the mother? What are the genotype and phenotype of the father? What is the genotype of each child?

A man with blood type B marries a woman with blood type A. Their first child is blood type O. What is the probability their next child will be blood type AB? blood type B?

Use a Punnett square In fruit flies, red eyes (R) are dominant to pink eyes (r). What is the phenotypic ratio of a cross between a heterozygous male and a pink-eyed female?

Explain the difference between epistasis and dominance. How many loci are involved in each case?

Create a karyotype of a female organism in which 2n = 8 showing trisomy of chromosome 3.

If a woman with type O blood and a man with type AB blood have children, what are the children's possible genotypes?

Explain how type A blood differs from type B blood.

For each of the genetic problems, (a) determine the parents' genotypes, (b) determine the possible gametes for each parent, (c) construct a Punnett square, and (d) record the resulting genotypes and phenotypes as ratios from the cross.
Determine the results from a mother who is heterozygous for blood type A and a father who is heterozygous for blood type B

How do you make a smoothie?

A universal blood donor has which of the following blood types? A. type A, B. type B, C. type AB, D type O.

What is the probability of a child having type AB blood if one of the parents is heterozygous for type A blood and the other is heterozygous for type B? What other genotypes are possible in this child?