Punnett Square Practice
Authored by Cathy Washington
Science
9th Grade
NGSS covered
Used 13+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of heterozygous offspring?
Tags
NGSS.HS-LS3-3
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
In the punnett square shown, what must the genotype of the missing parent be?
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
What is ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? T = tall t = short
0 in 4
1 in 4
2 in 4
4 in 4
Tags
NGSS.HS-LS3-1
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cody crosses a plant producing wrinkled peas with a plant producing smooth peas. Weeks later, he discovers that all the offspring plants have smooth peas. Cody drew the Punnett square above to show the genotypes of the offspring plants. What were the genotypes of the parent plants?
RR and rr
Rr and Rr
RR and Rr
Rr and rr
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, how many offspring would be black?
0
1
2
3
4
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following is a gamete? (check each that apply)
haploid
sex cell
made from meiosis
diploid
made from mitosis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mendel used dihybrid crosses as evidence for:
dominance
independent assortment
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