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WorksheetsDihybrid Cross Practice Quizizz
Total questions: 15
Worksheet time: 39mins
Name
Class
Date
1.
What goes in box 15
a)
aabb
b)
AABB
c)
aaBB
d)
AAbb
2.
What goes in box 3
a)
Aabb
b)
AABB
c)
AAbb
d)
aaBb
3.
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%
4.
What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?
a)
Ry
b)
RRyy
c)
RrYy
d)
Rryy
5.
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
6.
In a dihybrid cross
a)
one trait is crossed.
b)
two traits are crossed.
c)
four boxes are needed for the punnett square.
d)
mom's alleles are dominant.
7.
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
8.
What is the genotype for a pea plant homozygous for round seeds (R), and heterozygous for yellow seeds?
a)
RrYy
b)
RRyy
c)
RRYy
d)
rryy
9.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
10.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
11.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
12.
A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.
This cross would be
a)
BBEE x bbee
b)
BBEe x BbEe
c)
BbEE x BbEe
d)
BBee x BBEE
13.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
14.
A way to predict genetic probability using two different
sets of alleles on two different chromosomes.
a)
Co-Dominance
b)
Incomplete Dominance
c)
Monohybrid Cross
d)
Dihybrid Cross
15.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
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