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WorksheetsPunnett Squares
Total questions: 36
Worksheet time: 20mins
In the punnett square below, what belongs in the missing square
Each one of the boxes on the Punnett Square represents what percentage?
25%
1%
10%
0%
What is the likelihood that the offspring will be green (G)?
25%
50%
75%
100%
AA and Aa will both show up as ___________________ traits.
dominant
recessive
Traits are passed on from one living thing to another through
DNA
blood
minerals
calories
What is the likelihood that the offspring will be yellow (g)?
25%
50%
75%
100%
What is the probability that the offspring will have blue eyes?
25%
50%
75%
100%
What is the likelihood that the offspring will be green?
0%
25%
50%
75%
What is the likelihood that the offspring will have brown eyes (B)?
0%
100%
Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is wrinkled (r)?
0%
25%
50%
75%
A tall plant (TT) is crossed with a short plant (tt). All of the offspring will be ____________.
tall
short
A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring would be tall?
0%
25%
50%
75%
A tall pine tree (Tt) is crossed with a tall pine tree (Tt). What is the likelihood that an offspring could be short?
0%
25%
50%
75%
G = green, g = yellow
The genotype for a yellow plant is...
GG
Gg
gg
all of the choices result in yellow
Round seeds are dominant (R). Wrinkled seeds are recessive (r). What is the likelihood that this offspring is round (R)?
0%
25%
50%
75%
Why is DNA important?
it is very small and very complicated
it's in everything that's not alive
it serves as the blueprint for traits of all living things
because we eat it every day for energy
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
recessive
dominant
both
AA and Aa always show up as ---
dominant.
recessive.
Aa, DD, Ba, and yy are all examples of ---
genotypes
phenotypes
Which of the following genotypes is homozygous dominant?
aa
Aa
AA
Which of the following genotypes is heterozygous?
Bb
BB
bb
A trait controlled by a recessive allele only appears in the organism's phenotype ---
if the organism is a hybrid.
if the organism does not have any dominant alleles.
if the organism is a purebred.
Dominant alleles are represented by a:
capital letter
lowercase letter
What is the likelihood that the offspring will be yellow?
0%
25%
50%
75%
Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?
25%
50%
75%
100%
