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WorksheetsGenetics 101
Total questions: 10
Worksheet time: 25mins
Name
Class
Date
1.
Which is an example of an allele?
a)
AA
b)
Aa
c)
A
d)
aa
2.
Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous offspring?
a)
Gg
b)
gg
c)
GG
d)
Green coloration
3.
Which of the following is a heterozygous genotype?
a)
GG
b)
gg
c)
GGG
d)
Gg
4.
Dominant alleles are usually represented by a(n)
a)
phenotype
b)
lower case letter
c)
upper case letter
d)
punnett square
5.
True or False:
A heterozygous genotype can be written as BB.
a)
True
b)
False
6.
D = dimples d = no dimples
What is the genotype for a homozygous recessive individual?
a)
DD
b)
Dd
c)
dd
7.
Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?
What is the genotype for a homozygous dominant offspring?
a)
RR
b)
Rr
c)
rr
8.
What do you call the physical expression of a gene?
a)
genotype
b)
dominant
c)
phenotype
d)
allele
9.
Short hair (S) is dominant to long hair (s).
What is the genotype for an offspring with long hair?
What is the genotype for an offspring with long hair?
a)
SS
b)
Ss
c)
ss
10.
The allele combinations are called...
a)
genetics
b)
mitosis
c)
the genotype
d)
the phenotype
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