WorksheetsAP Bio Dihybrid Crosses
Total questions: 10
Worksheet time: 13mins
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.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
4.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
5.
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%
6.
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
7.
What goes in box 2
a)
AABb
b)
AaBb
c)
aabb
d)
AaBB
8.
What goes in box 6
a)
AaBB
b)
AABB
c)
aaBB
d)
AAbb
9.
What goes in box 13
a)
ABab
b)
abab
c)
ABAB
d)
AbAb
10.
Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?
a)
9
b)
2
c)
3
d)
6
100 %
