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Punnett Squares

Authored by Shari Hudgeons

Science

7th - 8th Grade

NGSS covered

Used 24+ times

Punnett Squares
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20 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

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

1 min • 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

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

45 sec • 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

NGSS.HS-LS3-3

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Georgette wants to breed her pet phoenixes, but she isn't sure if the babies will burst into blue flames or red flames. Her documents show that her female phoenix is homozygous dominant for red flames, while her male phoenix is homozygous recessive for blue flames. What color flames will the babies have?

Red
Blue
Purple
50% Red, 50% Blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What is the probability of a purple-horned unicorn if a heterozygous pink-horned unicorn is crossed with a heterozygous pink-horned unicorn?

0%
25%
50%
75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster.
Who wins the bet?

Leonardo
Olivet
Both
Neither

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the homozygous dominant genotype:

FF
Ff
ff

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