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Punnet Squares

Authored by Eric Epperson

Science

9th Grade

Used 8+ times

Punnet Squares
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65 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is heterozygous?

RR

round

Rr

wrinkled

rr

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In pea plants, round seeds (R) are dominant to wrinkled seeds (r). Which of the following represents the genotype of a pea plant that is homozygous dominant?

RR

round

Rr

wrinkled

rr

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, the offspring in box 4 would:

be white.

be heterozygous.

be gray.

be homozygous.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In mice, black fur (B) is dominant to white fur (b). According to the Punnett square shown, how many offspring would be black?

0

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In humans, having freckles (F) is dominant to not having freckles (f). What is the percent chance that a married couple with no freckles will give birth to a child who has freckles?

0%

25%

50%

75%

100%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In humans, having freckles (F) is dominant to not having freckles (f).


Two people with freckles get married and give birth to three children. Two of the kids have freckles and one does not.


Both parents must have which genotype?

FF

Ff

ff

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If black fur is dominant and white fur is recessive, what genotype would an organism with white fur have?

FF

Ff

ff

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