Punnett Square

Punnett Square

6th - 7th Grade

25 Qs

quiz-placeholder

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Assessment

Quiz

Science

6th - 7th Grade

Hard

NGSS
HS-LS3-1, HS-LS3-3, HS-LS3-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
25%
1%
10%
0%

Tags

NGSS.HS-LS3-3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Aa, DD, bB, yy are all examples of
genotypes
phenotypes

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

AA and Aa always show up as
dominant
recessive

Tags

NGSS.HS-LS3-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? 
0 in 4
1 in 4
2 in 4
4 in 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following genotypes is homozygous dominant?
A
Aa
AA
aa

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following genotypes is heterozygous?
Bb
BB
bb
B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species? Draw your own Punnett square to answer this question.

rr

R

RR

RR or Rr

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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