Free Printable Punnett Squares Quiz

Worksheets

Punnett Squares Quiz

Total questions: 15

Worksheet time: 18mins

Name

Class

Date

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

Choose from the below words

25%

50%

75%

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

Choose from the below words

25%

50%

75%

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? (a)

Choose from the below words

Red

Blue

Purple

50% Red, 50% Blue

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

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

Purple

White

PP and pp

Two parents have a heterozygous genotype for eye color. What is the chance of having a blue eye baby?

25%

50%

75%

100%

A heterozygous woman marries a homozygous recessive man. What are the chances of a freckled baby?

25%

50%

75%

100%

What is the probability of heterozygous offspring?

25%

50%

100%

What allele combination should go in the missing box?

none of these

10.

Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?

25%

10%

11.

What is the phenotype of the offspring? (A-Brown hair; a-blond hair)

50 % Brown Hair and 50% Blond Hair

25 % Brown Hair and 75% Blond Hair

75 % Brown Hair and 25% Blond Hair

0% Brown Hair and 100% Blond Hair

12.

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

25%

50%

75%

13.

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color).

100 % tan

100 % brown

50 % brown and 50% tan

75 % brown and 25 % tan

14.

B = brown fur b = white fur

In the Punnett square, what is the probability for white fur?

25%

50%

75%

15.

A Jawa notices that his beloved pet desert rat, who has brown fur, just had several rat babies, some of which had white fur and some which had brown fur. Brown fur is the dominant trait. This means his rat must have what genotype?

Homozygous Dominant

Heterozygous

Homozygous Recessive

Reset

Punnett Squares Quiz

Total questions: 15

Worksheet time: 18mins

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