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WorksheetsHeredity Vocabulary Practice
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The two types of alleles are (select two)
a)
dominant
b)
doughnut
c)
expressive
d)
recessive
2.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
3.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
4.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
5.
The physical appearance of a trait is known as the-
a)
genotype
b)
phenotype
c)
characteristics
d)
intelligence
6.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
7.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
8.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
9.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
10.
How much of your DNA do you inherit from your mom?
a)
10%
b)
25%
c)
50%
d)
it varies
11.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
12.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
13.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
14.
This trait will always be expressed if present because it will mask the expression of others
a)
stem cells
b)
heterozygous
c)
dominant
d)
recessive
15.
Hair colour is an example of
a)
genotype
b)
phenotype
16.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
17.
Usain Bolt trains daily to improve his muscular explosiveness. Muscle size is an example of
a)
genotype
b)
phenotype
18.
Which of the following genotypes would be considered PUREBRED?
a)
Hh
b)
BB
c)
Ff
d)
Tt
19.
Having two DIFFERENT alleles for a trait.
a)
Recessive Trait
b)
Heterozygous
c)
Genotype
20.
The trait that will be expressed only if two copies of the allele are present.
a)
recessive
b)
dominant
c)
co-dominant
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