Punnett Square Worksheet

Punnett Square Worksheet

7th Grade

35 Qs

quiz-placeholder

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Punnett Square Worksheet

Punnett Square Worksheet

Assessment

Quiz

Biology

7th Grade

Practice Problem

Easy

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

+2

Standards-aligned

Created by

Charles Martinez

Used 3+ times

FREE Resource

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Aa, DD, bB, yy are all examples of

genotypes
phenotypes

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

AA and Aa always show up as

dominant
recessive

Tags

NGSS.HS-LS3-1

3.

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

NGSS.HS-LS3-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following genotypes is homozygous dominant?

A
Aa
AA
aa

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following genotypes is heterozygous?

Bb
BB
bb
B

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

recessive
dominant
lower case letter
both 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

0%
25%
50%
75%

Tags

NGSS.HS-LS4-3

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