STATION 1

1. Give the Punnett square, phenotypic, and genotypic percentages for the following crosses.

B = Black b = brown

a) Homozygouns dominant X Homozygous recessive

b) Heterozygous X Heterozygous

2. Give the Punnett square, phenotypic, and genotypic percentages for the following crosses.

T = Tall t = short

a) Heterozygous X Homozygous recessive

b) Heterozygous X Homozygous dominant

STATION 2

3. If all four boxes in a Punnett Square contain the letters, Bb, the parents’ genotypes must be

a. BB; Bb c. Bb; Bb

b. bb; Bb d. BB; bb

4. If all four boxes in a Punnett Square contain the letters, bb, the parents’ genotypes must be

a. heterozygous c. homozygous dominant

b. homozygous recessive d. none of the above

STATION 3

5. Define the following words:

a. phenotype vs. genotype

b. recessive vs. dominant

c.

6. Explain the following two laws of Mendel:

a. Law of Independent Assortment

b. Law of Segregation

STATION 4

7. What is shown along the sides of the Punnett square?

8. What is the passing of traits from parents to offspring called?

STATION 5

9. Compare and contrast the following words:

a) haploid vs. diploid

b) gamete vs. zygote

10. Does the mother or father determine the sex of the baby?

STATION 6

11. Describe Mendel’s experiment including the P1, F1 and F2 generations.

12. In a fox, brown fur color is dominant to red fur color. If a homozygous brown fox is mated with a red fox and 4 offspring are produced, how many would be expected to be red?

a) 0 c) 3

b) 2 d) 4

STATION 7

Refer to the following Pedigree

13. If individual III-2 marries a person with the same genotype as individual with II-1, what is the chance that one of their children will be afflicted with hemophilia?

a) 0% c) 50%

b) 25% d) 75%

14. For the trait being followed in the pedigree, individuals I-1 and II-3 can be classified as ________.

a) homozygous dominant c) homozygous recessive

b) mutants d) carriers

STATION 8

Refer to the following pedigree chart:

15. What is the chance that individual B will be afflicted with Huntington’s?

a) 25% C) 75%

B) 50% D) 100%

16. Both baldness and color blindness are ________________.

a) inherited only from the mother c) caused by a dominant gene

b) located on the Y chromosome d) sex-linked conditions

STATION 9

17. Which of the following describes an organism that has the genotype Bb?

a) homozygous dominant c) homozygous recessive

b) heterozygous d) all of the above

18. The name of the mother’s gamete is:

a) the sperm c) the egg

b) a zygote d) recessive

STATION 10

19. A white goat whose parents are both white produces only black offspring when mated with a black goat. The white goat is most probably___________.

a) homozygous recessive c) homozygous dominant

b) heterozygous d) haploid

20. Eye color in humans is the result of _____________ inheritance.

a) multiple allelic c) sex-linked

b)` polygenic d) simple dominant