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WorksheetsGenetics Unit Test REview
Total questions: 20
Worksheet time: 2hrs 48mins
Name
Class
Date
1.
Moana looks very similar to her mother. How much genetic information did she get from mom?
a)
25%
b)
50%
c)
75%
d)
100%
2.
Which is an example of a homozygous dominant genotype?
a)
RR
b)
Rr
c)
rr
d)
rR
3.
Which is an example of a phenotype?
a)
blue hair
b)
tT
c)
tt
d)
heterozygous
4.
Nature or Nurture?
Barbie was born with blonde hair.
Barbie was born with blonde hair.
a)
Nature
b)
Nurture
5.
Nature or Nurture?
Barbie dyes her hair blue and pink high lights
Barbie dyes her hair blue and pink high lights
a)
Nurture
b)
Nature
6.
A species reproduces quickly and are all genetically identical. How does this species reproduce?
a)
Sexually
b)
Asexually
c)
In-vitro Fertlization
d)
Cloning
7.
What allows species that reproduce sexually to be able to survive as a whole better than a species that reproduces asexually?
a)
Variation in the Population
b)
Quick reproduction times
c)
All organisms are clones
d)
Simple organisms use this method
8.
Is this pedigree's trait recessive or dominant?
a)
dominant
b)
recessive
9.
What is Curtis' genotype?
a)
RR
b)
Tt
c)
tT
d)
tt
10.
What is Kate's genotype?
a)
RR
b)
Tt
c)
TT
d)
rr
11.
What is Joe's genotype?
a)
RR
b)
Tt
c)
TT
d)
rr
12.
What is Natalie's genotype?
a)
RR
b)
Tt
c)
TT
d)
rr
13.
Cinderella and Prince Charming are expecting their fourth baby! They already have 3 Princesses. What are the chances of them having another Princess?
a)
25%
b)
50%
c)
75%
d)
100%
14.
True or False.
All homozygous genotypes are dominant.
All homozygous genotypes are dominant.
a)
True
b)
False
15.
True or False.
An organism can be heterozygous for a recessive trait.
An organism can be heterozygous for a recessive trait.
a)
True
b)
False
16.
True or False.
Genetic diseases are contagious.
Genetic diseases are contagious.
a)
True
b)
False
17.
True or False.
Two parents can have the same phenotype but different genotypes.
Two parents can have the same phenotype but different genotypes.
a)
True
b)
False
18.
True or False.
Dominant genes always come from the father.
Dominant genes always come from the father.
a)
True
b)
False
19.
Which type of organisms generally use asexual reproduction?
a)
Simple
b)
Complex
20.
Draw a Punnet Square.
Two heterozygous pea plants are crossed. What are the chances they will have a homozygous recessive offspring?
Two heterozygous pea plants are crossed. What are the chances they will have a homozygous recessive offspring?
a)
25%
b)
50%
c)
75%
d)
100%
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