WorksheetsGenetics Vocab
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is an organism's phenotype?
a)
It's physical appearance
b)
It represents the genes inside the organism
c)
Aa
d)
It's DNA
2.
What is an organism's genotype?
a)
Homozygous
b)
It's physical appearance
c)
A trait that overpowers another
d)
The two-letter combination of alleles (AA, Aa, or aa)
3.
What is a dominant allele?
a)
An allele that gets overpowered or covered up unless there are 2 present
b)
An allele that overpowers any other alleles present
c)
A two-letter combination
d)
An organism's physical appearance
4.
What is a recessive allele?
a)
An allele that gets overpowered or covered up unless there are 2 present
b)
An allele that overpowers any other alleles present
c)
A two-letter combination
d)
An organism's physical appearance
5.
What does homozygous mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
6.
What does heterozygous mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
7.
What does purebred mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
8.
What does hybrid mean?
a)
Having no alleles
b)
Having two different alleles
c)
Having two of the same alleles
d)
Having 4 alleles
9.
Which of the following represents a homozygous dominant genotype?
a)
Aa
b)
AA
c)
aa
d)
AaBb
10.
Which of the following represents a heterozygous genotype?
a)
TT
b)
tt
c)
Tt
d)
TtSs
11.
Which of the following represents a recessive genotype?
a)
RR
b)
Rr
c)
rr
d)
RrQq
12.
What type of letter is used to represent dominant traits?
a)
capital
b)
lowercase
13.
What type of letter is used to represent recessive traits?
a)
capital
b)
lowercase
14.
Which of the following represents a hybrid genotype?
a)
HH
b)
hh
c)
Hh
d)
HHJJ
15.
What does the root word "hetero" mean?
a)
Same
b)
Different
c)
Equal
d)
Colored
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