Name-_________________________________
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Genes are found on
a. Chromosomes
b. alleles
The process that produces sex cells is
a. Mitosis
b. photosynthesis
HEREDITY TEST
c. proteins
d. anthers
c. meiosis
d. probability
The passing of traits from parents to offspring is
a. Probability
b. heredity
c. recessive
d. meiosis
If you cross a white flower (with the genotype pp) with a purple flower (with the genotype PP), the possible
genotypes of the offspring are
a. PP and pp
b. all Pp
c. all PP
d. all pp
For the above cross, what would the phenotypes be?
a. All white
b. all tall
c. all purple
d. ½ white, ½ purple
Humans produce sex cells through a process called
a. Mitosis
b. cytokinesis
c. meiosis
d. binary fission
These may be dominant or recessive
a. Alleles
b. punnett squares
c. phenotypes
d. sex cells
Two forms of the same gene are known as
a. Alleles
b. chromosomes
c. genotypes
d. sex cells
If you cross two rabbits that have the genotype Bb, how many possible genotypes can be found in the offspring?
a. One
b. two
c. three
d. four
How many chromosomes are present in a normal human sex cells?
a. 22
b. 23
c. 46
d. 92
The Punnett square below shows the possible combinations of alleles for fur color in rabbits. Black fur, B, is
dominant over white fur, b. Given the combinations shown, what are the genotypes of the parents?
Bb
Bb
a.
BB, Bb
b. BB, bb
c. Bb,Bb
Bb
Bb
d. none of the above
12. If there are 14 chromosomes in a pea plant cell, how many chromosomes are present in a sex cell of a pea?
a. 2
b. 4
c. 6
d. 7
13. Mal sex cells are called
a. Sperm
b. egg
c. haploid
d. diploid
14. Female sex cells are called
a. Haploid
b. diploid
c. eggs
d. sperm
15. The allele for a cleft chin, C, is dominant among humans. What would be the results from a cross between a
woman with genotype Cc and a man with the genotype cc?
a.
c
c
C
Cc
Cc
c
cc
cc
C
c
C
CC
Cc
c
Cc
cc
C
Cc
Cc
C
Cc
Cc
b.
c.
c
c
Use the Pennett square below to answer the questions that follow. In pea plants, the trait for tallness (T) is dominant to
the trait for being short (t).
T
T
T
1
3
t
2
4
16. In the Punnett square above, the offspring in square 1 would have the genotype
a. TT
b. Tt
c. TtT
d. tt
17. In the Punnett square above, the offspring in square 2 would have the genotype
a. TT
b. Tt
c. TtT
d. tt
18. In the Punnett square above, the offspring in square 3 would have the genotype
a. TT
b. Tt
c. TtT
d. tt
19. In the Punnett square above, the offspring in square 4 would have the genotype
a. TT
b. Tt
c. TtT
d. tt
20. Offspring from which of the following square would be short?
a. 2
b. 3
c. 4
d. all of the above
21. Offspring from which of the following squares would be tall?
a. 1
b. 2
c. 3
d. all of the above
22. The set of instructions for each characteristic donated by the parent to the offspring is called
a. Mitosis
b. genes
c. heredity
d. meiosis
23. How many sets of instructions for each characteristic does a fertilized egg receive from EACH parent?
a. 1
b. 2
c. 3
d. 4
24. The inherited combination of alleles is known as the offspring’s
a. Heredity
b. pedigree
c. phenotype
d. genotype
25. The organism’s appearance is known as its
a. Heredity
b. pedigree
c. phenotype
d. genotype
26. Which of the following are traits that you probably inherited?
a. Your taste in clothing b. your favorite music c. our eye color
d. A, B, and C
27. Skin cells are produced by a process called
a. Meiosis
b. mitosis
c. maytosis
d. maosis
28. Human male sex cell has ______ chromosomes?
a. 12
b. 46
c. 24
d. 23
29. A cell that has ½ the number of chromosomes is called a
a. Diploid
b. haploid
c. mitosis
d. dead cell
For rabbits, the allele for black fur, B, is dominant over the allele for white fur, b. Suppose two black parents have
four bunnies----- three black and one white.
30. What are the genotypes of the parents?
a. Bb,Bb
b. bb,bb
c. Bb, bb
31. What are the possible genotypes of all four siblings?
a. Bb
b. BB
c. Bb
d. A, B and C
32. How are sex cells different from other body cells?
a. Sex cells have 3 times the number of chromosomes
b. Sex cells have half the number of chromosomes