Name___________________________Date___________________________Class Per______
Final Genetics and Meiosis Review
1. Which of the following is an acquired trait?
a. Eye color
b. Natural hair color
c. Cleft chin
d. Variations in skin shade
Evidence:
2. Which of the following depicts a genotype?
a. Ms. Teague has brown eyes
b. Ms. Ketelsen has blonde hair
c. Mr. Ruby has an allele for brown hair and one for red hair
d. Mr. Davio has 10 fingers and 10 toes
Evidence:
3. Which of the following depicts a phenotype?
a. Ms. Zamira had a lazy eye as a child
b. Ms. Abbott has red hair genes from both her mother and blonde from her father
c. Czarevitch Alexis carries one allele for hemophilia
d. Queen Victoria has one hemophilia gene and one normal
Evidence:
4. Human beings have how many chromosomes in each cell?
a. 6
b. 12
c. 23
d. 46
Evidence:
5. A gene is:
a. A piece of packaged DNA
b. A piece of genetic information
c. A coding sequence for all of the traits in a body
d. All of the above
Evidence:
6. An allele is:
a. A piece of a gene
b. A different version of the same gene
c. A one base pair sequence of DNA
d. None of the above
Name___________________________Date___________________________Class Per______
7. Describe the importance of the ability of organisms to have offspring that are all
different, and are different than their parents:
8. How many gametes does a parent cell produce in the process of Meiosis?_____
Evidence:
9. How many pairs of chromosomes does a normal cell contain? ______
“”a haploid cell contain?_____
“” a diploid cell contain?_____
Evidence:
10. The number of chromosomes in a gamete is _______
Evidence:
11. Show the cross of two pea plants that are homozygous for both pod color and pod shape,
one parent dominant and one parent recessive.
(G)Green (g)yellow (E)Expanded (e)Constricted
Parent one genotype:_____________
Parent one phenotype:________________
Possible gametes:______________________
Columns/rows needed:______________ *
*For a Punnet square
Parent two genotype:_______________
Parent two phenotype:_______________
Possible gametes:__________________
Columns/rows needed:_____________*
Gentoypes of offspring:________________________________________________________
Phenotypes of offspring:________________________________________________________
Name___________________________Date___________________________Class Per______
12. Show the cross of two offspring from the cross shown in number 11.
Parent one genotype:_____________
Parent two genotype:_______________
Parent one phenotype:________________
Parent two phenotype:_______________
Possible gametes:______________________
Possible gametes:__________________
Columns/rows needed:______________ *
Columns/rows needed:_____________*
*For a Punnet square
Gentoypes of offspring:________________________________________________________
Phenotypes of offspring:________________________________________________________
13. If there were 300 offspring from the cross listed in number 12, list the number of
offspring that would have
a. Dominant phenotype for both pod color and pod shape______
b. Dominant phenotype for pod color and recessive phenotype for pod shape_____
c. Recessive phenotype for pod color and dominant phenotype for pod shape_____
d. Recessive phenotype for pod color and pod shape______
14. Imagine that the traits for pod color and pod shape are BOTH on chromosomes number
10. Show the cross from question 12 again now knowing that these two traits are on the
SAME chromosome.
Parent one genotype:_____________
Parent two genotype:_______________
Parent one phenotype:________________
Parent two phenotype:_______________
Possible gametes:______________________
Possible gametes:__________________
Columns/rows needed:______________ *
Columns/rows needed:_____________*
*For a Punnet square
Gentoypes of offspring:________________________________________________________
Phenotypes of offspring:________________________________________________________
Name___________________________Date___________________________Class Per______
15. NOW, imagine that we found out that the genes for pod shape and pod color are actually
found on the X chromosome. Do this same cross one more time to show what the
offspring would look like if these two genes are sex-linked.
Parent one genotype:_____________
Parent two genotype:_______________
Parent one phenotype:________________
Parent two phenotype:_______________
Possible gametes:______________________
Possible gametes:__________________
Columns/rows needed:______________ *
Columns/rows needed:_____________*
*For a Punnet square
Gentoypes of offspring:________________________________________________________
Phenotypes of offspring:________________________________________________________
16. For question number 12, describe the phenotypes of the offspring if the traits for Pod
Color and Pod Shape were incompletely dominant rather than completely dominant.
Name___________________________Date___________________________Class Per______
17. The term zygote refers to:
a. A haploid individual
b. A fertilized gamete
c. A diploid individual
d. None of the above
Evidence:
18. The term autosomal refers to:
a. A fertilized gamete
b. A fertilized zygote
c. Any chromosome that is NOT a sex chromosome
d. A sex chromosome
Evidence:
19. Two mice are found to have the genotypes AABBCC and AAbbcc. Which of the
following could be possible offspring of this cross?
a. AaBbCc
b. AABBCC
c. aabbcc
d. AABbCc
Evidence:
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Final Genetics and Meiosis Review