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Punnett Square Practice

Authored by Rachel Cerra

Biology

8th Grade

NGSS covered

Used 53+ times

Punnett Square Practice
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20 questions

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1.

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-LS3-3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What genotype would go in box 2?

BB
Bb
bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the probability of heterozygous offspring?

0%

100%

50%

25%

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What allele combination should go in the missing box?

AA
Aa
aa
none of these

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

G = green, g = yellow
The genotype for a yellow plant is...

GG
Gg
gg
all of the choices result in yellow

Tags

NGSS.HS-LS3-1

6.

MULTIPLE CHOICE QUESTION

2 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%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In a certain species of plant, the color purple (P) is dominant to the color white (p).

According to the Punnett Square, what is the probability of an offspring being purple?

25%

0%

100%

50%

Tags

NGSS.HS-LS3-3

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