Exam 10: Patterns of Inheritance

A man who does not suffer from sickle-cell anemia but is a carrier of the sickle-cell trait is married to a woman who is also a carrier for the sickle-cell trait. If they have a child, there is a ____ probability of that child suffering from sickle-cell anemia.

A homozygous recessive condition is

The sex of the fruit fly Drosophila melanogaster is determined as follows: XX chromosomes give a female and XY give a male. The gene for bar eyes is recessive and located on the X chromosome. If a male with normal eyes is mated with a female who has normal eyes but is heterozygous,

The information within the central squares of a Punnett square represents

The allele that causes Huntington's disease is expressed earlier in life when it is inherited from the father than when it is inherited from the mother. Huntington's disease is an example of

There are three alleles for blood type, IA and IB are both dominant to iO but IA is not dominant to IB. A man has type O blood. A woman has type A blood but her father had type B blood. If this man and this woman have children what are the possible genotypes of the offspring?

A gene found on the X chromosome is a(n)

If an individual has the genotype BbCC, how many different kinds of gametes can that individual produce?

If I^A and I^B dominate i, which phenotype indicates the genotype when the alleles I^A and i are present?

If parents with the following genotypes (AABb * aaBb) have offspring, what is the probability that they will have an offspring with the genotype (AaBB)?

In humans, normal skin dominates albino skin; a cross between two albino people results in

"This patient with Marfan syndrome has really long fingers and toes, and is exceptionally tall." This is a statement describing

The sex of mammals is determined by

Which of the following represents the sex chromosomes of a typical human female?

In humans, eye color is determined by the amount of melanin in the iris of the eye and is probably controlled by several genes. The inheritance of eye color is an example of

If a sperm containing an X chromosome fertilizes an egg, the child will normally be

A single dominant gene that produces abnormal connective tissue causes Marfan syndrome. Individuals with the condition exhibit symptoms such as nearsightedness, long thin appendages, and a weak aorta. Marfan syndrome is an example of

In the genotype Aabb,

In a fifty-two card deck, the chances of drawing the only ace of spades are

A woman heterozygous for blood type A and a man with blood type AB are expecting a child. The probability of the child having type B blood is