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WorksheetsPunnet Squares
Total questions: 11
Worksheet time: 20mins
What is an allele?
A form of DNA
A segment of a gene
A segment of DNA
A form of a gene
Which of these is heterozygous?
Gg
GG
kk
Kk
The parent is a homozygous red flower (white is recessive). What could be their genotype?
RW
Rw
Rr
Ww
How do you represent a recessive allele?
Italics
Lowercase
Uppercase
Bold
Fill in the punnet square.
Tt
tt
TT
What is the ratio of the offspring if modeled like AA : Aa : aa
25% : 50% : 25%
50% : 50% : 0%
50% : 25% : 25%
75% : 0% : 25%
What is another name for punnet square?
What will my child look like.
Cross
Monohybrid cross
A hybrid cross
Blue eyes are represented by bb. Brown eyes by BB. Which trait is recessive?
Brown eyes
None of them.
Both of them
Blue eyes
One parent has Bb and the other Bb.
One of the children has blonde hair. Is blonde hair recessive or dominant?
Blonde is a dominant trait
Blonde is recessive
Blonde is none of the options
We cannot tell for sure.
A punnet square is always correct.
True
False
Which of these is an example of a genotype?
Red hair
Aa
Green Eyes
A punnet square
