Chapter 10:
Mendel and Meiosis
Practice Test
1.
The Father of Genetics is __________.
a.
Reginald Punnett
b.
Hardy-Weinberg
c.
Gregor Mendel
d.
Thomas Hunt Morgan
Hint
2.
During which stage of the cell cycle does a cell replicate chromosomes?
a.
prophase I
b.
telophase II
c.
metaphase II
d.
interphase
Hint
3.
In Mendel`s monohybrid crosses, the __________ trait appeared to disappear in the first generation, but reappeared in the second generation.
a.
superior
b.
recessive
c.
dominant
d.
dihybrid
Hint
4.
If an organism has a gamete containing 12 chromosomes, one would expect each of its body cells to contain _________.
a.
6 chromosomes
b.
12 chromosomes
c.
24 chromosomes
d.
two nuclei
Hint
5.
The 9:3:3:1 ratio observed by Mendel results in his law of __________.
a.
heredity
b.
segregation
c.
dominance
d.
independent assortment
Hint
6.
How many chromosome combinations are possible in humans?
a.
2
b.
223
c.
23
d.
more than 8 million
Hint
7.
Genetic variation is produced by __________.
a.
cell division
b.
mitosis
c.
asexual reproduction
d.
meiosis
Hint
8.
The chromatids in a tetrad exchange genetic information in a process called __________.
a.
mitosis
b.
zygote formation
c.
diploid formation
d.
crossing over
Hint
9.
A zygote is produced by the joining of __________.
a.
eggs
b.
sperm
c.
nuclei
d.
gametes
Hint
10.
The 3:1 ratio observed by Mendel results in his law of __________.
a.
dominance
b.
heredity
c.
independent assortment
d.
segregation
Hint
11.
The uniting of male and female gametes is called __________.
a.
fertilization
b.
mitosis
c.
genetics
d.
meiosis
Hint
12.
Transfer of male pollen grains to the female organ of a flower is __________.
a.
fertilization
b.
zygote formation
c.
pollination
d.
gamete formation
Hint
13.
If an organism has two identical genes for a trait it is __________.
a.
a zygote
b.
homozygous
c.
heterozygous
d.
segregated
Hint
14.
Which biological process explains the results Mendel observed?
a.
cell division
b.
meiosis
c.
mitosis
d.
asexual reproduction
Hint
15.
A phenotype that appears whenever it is present is called a __________ trait.
a.
dominant
b.
hybrid
c.
dihybrid
d.
recessive
Hint
