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Punnett Squares

Authored by Jim Rogers

Biology

10th - 11th Grade

NGSS covered

Used 3K+ times

Punnett Squares
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aa, DD, bB, yy are all examples of

genotypes
phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

AA and Aa always show up as

dominant
recessive

Tags

NGSS.HS-LS3-1

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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-LS3-1

NGSS.HS-LS3-3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following genotypes is homozygous dominant?

A
Aa
AA
aa

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following genotypes is heterozygous?

Bb
BB
bb
B

Tags

NGSS.HS-LS3-1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the characteristics is a lion least likely to pass on to its offspring?

fur color
length of tail
scars on leg
body size

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

recessive
dominant
lower case letter
both 

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