1) AABB x AAbb represents a

2) What is the condition called when an expressed trait is somewhere between homozygous dominant and homozygous recessive?

3) Which of the following refers to the genetic make-up of an individual?

4) Which of the following examples illustrates pleiotropy?

5) A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color of the offspring of an F1 × F1 cross?

6) A brown mouse is mated with a white mouse. All of their offspring are brown. If two brown offspring are mated, what fraction of their offspring will be white?

7) Mendel crossed true-breeding purple-flowered plants with true-breeding white-flowered plants, and all of the resulting offspring produced purple flowers. The allele for purple flowers is

8) Kelly is blood group AB, Jacob is blood group B, and their daughter is blood group B. Given this information, it would be impossible for the couple to have a child with which of the following blood groups?

9) Attached earlobes are recessive to free earlobes. What is the probability of having a child with attached earlobes when an individual with attached earlobes mates with an individual heterozygous for free earlobes?

10) Which of the following human genetic disorders is sex-linked?

11) In humans, the presence or absence of dimples is a trait controlled by a single gene. What is the genotype of an individual who is heterozygous for dimples?

12) Mendel made some crosses where he looked at two characteristics at once: round yellow peas crossed with wrinkled green peas, for example. He did this because he wanted to find out

13) An individual with the genotype AaBb produces four different gametes in equal proportions. This is a demonstration of

14) Most sex-linked traits in humans are carried on the ________ chromosome, and the recessive phenotypes are seen most often in __________.

15) Chromosomes that are not sex chromosomes are called

16) A pea plant with purple flowers is heterozygous for flower color. Its genotype is Pp. The P and p alleles in the pea plant's cells are located

17) Hypohosphatemia (vitamin D-resistant rickets) is inherited as a sex-linked dominant trait. The relevant gene is found on the X chromosome. What is the expected outcome of a cross between a homozygous recessive woman and a man with hypophosphatemia?

18) When looking at the inheritance of a single character, Mendel found that a cross between two true-breeding peas (between purple and white, for example) always yielded a ______ in the F2 generation.

19) Which genotype would result in an individual with the recessive phenotype?

20) How many different types of gametes can be generated by an individual with genotype AaBB?