

Understanding Punnett Squares
Interactive Video
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in setting up a Punnett square?
Identify the parental genotypes
Draw a large square
Calculate the probability of traits
Determine the dominant gene
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many smaller squares are inside a Punnett square?
Two
Eight
Four
Six
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a Punnett square, what happens to the alleles from the top row?
They move upwards
They move diagonally
They move downwards
They stay in place
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the expression of a trait in a Punnett square?
The size of the square
The presence of a dominant gene
The color of the alleles
The number of alleles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many squares in the example have a dominant gene?
Four
One
Two
Three
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the decimal representation of 3 out of 4?
1.00
0.75
0.50
0.25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage equivalent of 1 out of 4?
75%
50%
25%
10%
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