Exam 16: Simple Patterns of Inheritance

You discover a new sunflower that has blue flowers instead of yellow. When you cross this blue variety with a common yellow variety you get blue and yellow speckled flowers. What type of inheritance pattern does this gene exhibit?

A person with blood type O can donate blood to people of any blood type.

Which of these statements INCORRECTLY describes an example of pleiotropy?

Two babies are mixed up in the hospital nursery. The blood types of Couple 1 are A and O and the blood types of Couple 2 are AB and B. Baby Joe has blood type O and Baby Jane has blood type A. Who are the parents of Baby Joe and Baby Jane?

A couple has five sons. What is the probability that their next child will be a girl?

Which of these is NOT a reason that Mendel used pea plants as a model to study inheritance?

A Punnett square is best used to predict the likelihood of producing many offspring with a particular genotype.

In Thomas Hunt Morgan's experiments, males had white eyes but females did not. What cross could you perform with his flies to obtain white-eyed females?

A cross of a true-breeding smooth pod and yellow pod plants results in all smooth pod offspring. This indicates that

Which of the following INCORRECTLY states a principle of the chromosome theory of inheritance?

Mating a purebred Labrador retriever to a purebred poodle to produce "Labradoodles" is an example of

Which of the following inheritance patterns is matched with an inaccurate molecular basis?

In Thomas Hunt Morgan's experiments, the ratio of red-eyed flies to white-eyed flies appeared to follow a simple Mendelian pattern of inheritance. What observation(s) did he make that led to his conclusion that the white-eyed trait was actually not a simple Mendelian trait?

The probability of a couple having either a boy or a girl is ½ . However, many families have more boys than girls and VICE VERSA. Why is the observed ratio of boys to girls in typical families different than the predicted ratio?

What is the difference between the blood types, A, B, and O?

When some recessive human diseases are present in the heterozygous state, incomplete dominance occurs.

The concept that offspring can inherit the acquired skills of their parents is called

Which of the following phrases INCORRECTLY finishes this statement? A genetic disease that causes death in infancy and has an autosomal recessive inheritance pattern can persist in a population because

A person who is homozygous for a mutation of the phenylalanine hydroxylase gene

Which of the following are incorrectly matched for a single-factor cross?