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Punnett Square Practice

Authored by Kristina Nichol

Science

8th Grade

NGSS covered

Used 6+ times

Punnett Square Practice
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

Tall = T
Short = S
Tall = T
Short = t
Tall = t
Short = T
Tall = TT
Short = tt

Tags

NGSS.HS-LS3-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

0%
25%
50%
75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What phenotype would result from crossing a homozygous dominant purple-flowered pea plant with a homozygous recessive white-flowered pea plant?

Pp
Purple
White
PP and pp

Tags

NGSS.HS-LS3-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

T - tall and t = short
In the punnett square below, what belongs in the missing square

tt
Tt
Bb
TT

Tags

NGSS.HS-LS3-1

5.

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.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-3

6.

MULTIPLE CHOICE QUESTION

5 mins • 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-LS3-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the probability of heterozygous offspring?

25%
50%
0%
100%

Tags

NGSS.HS-LS3-3

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