WorksheetsGenotype and Phenotype
Total questions: 21
Worksheet time: 12mins
Name
Class
Date
1.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
2.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
3.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
4.
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
5.
Hair colour is an example of
a)
genotype
b)
phenotype
6.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
7.
How tall you are is an example of
a)
genotype
b)
phenotype
8.
Being a carrier of a genetic disorder is an example of
a)
genotype
b)
phenotype
9.
Having blue eyes is an example of
a)
genotype
b)
phenotype
10.
Having genes that make you more likely to be good at sprinting is an aspect of
a)
genotype
b)
phenotype
11.
Usain Bolt trains daily to improve his muscular explosiveness. Muscle size is an example of
a)
genotype
b)
phenotype
12.
Usain Bolt's genes affect his height. Being 1.95m tall is an example of
a)
genotype
b)
phenotype
13.
The genotype of: bb will have the PHENOTYPE of...
a)
black fur
b)
white fur
c)
course hair
d)
fine hair
14.
The genotype of: AA will have the PHENOTYPE of...
a)
albinism
b)
normal pigment
c)
albino carrier
15.
The genotype of: Heterozygous Course Hair will have the alleles of...
a)
Hh
b)
HH
c)
hh
16.
The genotype of: albino carrier will have the alleles of...
a)
Aa
b)
AA
c)
aa
17.
If a trait is recessive, it needs to be inherited from ___ parents to be 'expressed'.
a)
one
b)
both
18.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
19.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
20.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
21.
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
100 %
