WorksheetsGenetics Quiz
Total questions: 15
Worksheet time: 27mins
Name
Class
Date
1.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
2.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
3.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
4.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
5.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
6.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
7.
This image is an example of a _____________ cross.
a)
Monohybrid
b)
Dihybrid
c)
Purebred
d)
Pure Breeding
8.
An organism’s genetic makeup, or allele combinations
a)
Recessive
b)
Genotype
c)
Phenotype
d)
Heterozygous
9.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
a)
0%
b)
25%
c)
50%
d)
100%
10.
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?
a)
GG
b)
Gg
c)
gg
d)
green
11.
In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed. What percentage of their offspring are expected to have short arms?
a)
0%
b)
25%
c)
75%
d)
100%
12.
Long tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?
a)
100%
b)
75%
c)
50%
d)
25%
13.
One of the two forms of a gene is called a(n)
a)
genotype
b)
allele
c)
hybrid
d)
trait
14.
The genetic makeup of the flower is ______.
a)
homozygous dominant
b)
heterozygous
c)
pink
d)
homozygous recessive
15.
A small section of the gene that is a phosphate, sugar, and base.
a)
nucleotide
b)
DNA
c)
heterozygous
d)
genotype
100 %
