WorksheetsGenetics/Heredity Review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which of the following genotypes is homozygous dominant?
a)
BB
b)
bb
c)
Bb
d)
green eyes
2.
What is the definition of a phenotype?
a)
letter combination
b)
physical characteristic
3.
Which of the following genotypes is hybrid?
a)
AA
b)
Aa
c)
aa
4.
Which of the following genotypes is heterozygous?
a)
AA
b)
Aa
c)
aa
5.
Which of the following answers correctly represents this Punnett Square if freckles are dominant?
a)
25% chance freckles
b)
50% chance freckles
c)
75% chance freckles
d)
100% chance freckles
6.
Which of the following answers provides the correct parental genotypes for this Punnett Square?
a)
HH x Hh
b)
Hh x Hh
c)
HH x hh
d)
Hh x hh
7.
True or False: Traits can skip a generation.
a)
True
b)
False
8.
What organism did Gregor Mendel study?
a)
Flowers
b)
Bacteria
c)
Humans
d)
Pea Plants
9.
If you flipped two coins 100 times, approximately how often would both coins turn up tails?
a)
25%
b)
50%
c)
75%
d)
100%
10.
Which of the following genotypes is purebred recessive?
a)
a
b)
aa
c)
Aa
d)
AA
11.
Which of the following genotypes is purebred dominant?
a)
AA
b)
Aa
c)
aa
12.
How many chromosomes are found in human body cells?
a)
0
b)
23
c)
46
d)
50
13.
How many chromosomes are found in human sex cells?
a)
0
b)
23
c)
46
d)
50
14.
If the offspring is genetically identical to it's parent, what type of reproduction occurred?
a)
Asexual Reproduction
b)
Sexual Reproduction
15.
Genetic variation is most likely to result from what type of reproduction?
a)
Asexual Reproduction
b)
Sexual Reproduction
100 %
