Punnett Square Practice

Quiz
•
Science
•
7th Grade
•
Medium
+3
Standards-aligned
Whitney Hughes
Used 13+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letters should replace the ??
aa
AA
Aa
Answer explanation
Remember to bring one letter down from the top, and one letter from the side.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letters should replace the ??
DD
dD
dd
Dd
Answer explanation
Remember to take one letter from the top and one letter from the side.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letter should replace the ?
r
R
Rr
RR
Answer explanation
Review the picture provided.
Tags
NGSS.MS-LS3-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letter should replace the ??
Answer explanation
Remember to take one letter from the top (Q) and one letter from the side (q).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letter should replace the ??
ff
FF
Ff
Answer explanation
Remember to take one letter from the top (f) and one letter from the side (f).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which letter should replace the ??
Nn
nn
NN
Answer explanation
Remember to take one from the top (n) and one from the side (N). Also, the dominant letter ALWAYS goes first!
Tags
NGSS.MS-LS3-1
NGSS.MS-LS4-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the Punnett Square, what are the possible genotypes of the offspring?
Bb and bb
bb, Bb, and bb
bb only
Bb only
Answer explanation
See the solved punnett square provided. There are TWO Bb and TWO bbs.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
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