In guinea pigs, smooth coat (S) is dominant over rough coat (s). If an SS guinea pig is crossed with an ss guinea pig, what ratio of guinea pigs in the offspring would you predict?

All offspring will be Ss and have smooth coats

75% will have smooth coats, and 25% will have rough coats

Half the offspring will be SS, and the other half will be ss

All offspring will be Ss and have rough coats

In peas, yellow seeds (Y) are dominant over green seeds (y). If a yy plant is crossed with a YY plant, what would the ratio of plants in the offspring predict?

All offspring will be Yy. 100% will be yellow

75% will have yellow seeds (YY, Yy, yY), and 25% will have green seeds (yy)

Use a Punnett square of Bb x Bb cross. B is the factor for brown eyes, and b is the factor for blue eyes. What will be the factors for a blue-eyed person?

cannot be determined from the information given

Use a Punnett square of Bb x Bb cross. B is the factor for brown eyes, and b is the factor for blue eyes. What color do the parents have?

cannot be determined from the information given

How do two purple flowers produce white flower offspring?

Both flowers are heterozygous and can pass on the white allele

They cant have white flowered offspring

They are both homozygous Dominant

They do not have the recessive allele in their genotype

Two heterozygous red flowers (white flowers are recessive) are crossed. What is the genotype of the offspring?

25% homozygous dominant; 25% homozygous recessive; 50% heterozygous

75% homozygous dominant; 25% heterozygous

50% homozygous dominant; 50% heterozygous

Punnett Square Word Problems

Quiz

•

Biology

•

7th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-LS3-1, HS-LS3-2, HS-LS3-3

+3

Standards-aligned

Charles Martinez

Used 1+ times

FREE Resource

39 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

0 in 4

1 in 4

2 in 4

4 in 4

Tags

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

25%

1%

10%

0%

Tags

NGSS.HS-LS3-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

none

3/4

1/2

all

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.

they have same phenotype and genotype

they have different genotypes and phenotypes

they have same phenotype but different genotypes

they have same genotype but different phenotypes

Tags

NGSS.HS-LS3-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 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

NGSS.HS-LS3-2

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Punnett Square Word Problems

39 questions

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

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

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

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

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.

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

What is the probability of heterozygous offspring?

What allele combination should go in the missing box?

Long hair (L) is dominant over short hair (l) in certain rodents. What would be the possible genotype/s of a rodent with long hair? (More than one answer is possible)

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Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

Punnett Square Word Problems

39 questions

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

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

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

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

W=white hairw= non-white hairIf you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

B = brown eyesb = blue eyesWhat is true about these two brothers that have brown eyes?One has genotype BB the other Bb.

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

What is the probability of heterozygous offspring?

What allele combination should go in the missing box?

Long hair (L) is dominant over short hair (l) in certain rodents. What would be the possible genotype/s of a rodent with long hair? (More than one answer is possible)

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

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

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

B = brown eyes
b = blue eyes
What is true about these two brothers that have brown eyes?
One has genotype BB the other Bb.

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