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Punnett Squares

Authored by Mrs Hollingsworth

Science

6th - 8th Grade

NGSS covered

Used 3+ times

Punnett Squares
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25 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What are the possible genotypes for this cross?

TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following alleles is homozygous (purebred) recessive?

Tt
tt
TT
t

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the punnett square shown, what must the genotype of the missing parent be?

BB
Bb
bb
Tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

0%
25%
50%
75%

Tags

NGSS.MS-LS3-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What genotype would go in box 1?

BB
Bb
bb

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

T= tall and t = short
In the Punnett square what belongs in the missing square?

tt
Tt
Bb
TT

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What genotype would go in box 3?

BB
Bb
bb

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