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WorksheetsPunnett Square
Total questions: 8
Worksheet time: 4mins
If brown eyes are dominant and blue eyes are recessive, what color of the eyes do the parents in the Punnett square have?
one has brown eyes and the other has blue eyes
They have both brown eyes.
They have both blue eyes.
There is no way to tell based on the information.
Based on the Punnett Square, what is the chance that an offspring will have a homozygous genotype?
0
50%
100%
25%
75%
If both parents have the genotype Aa, what is the chance their offspring will also have the genotype Aa?
0
25%
50%
75%
100%
In pea plants, being tall is dominant and being short is recessive. Two tall plants mate. One has the genotype Tt and the other has the TT. What is the chance that they will have a tall offspring?
0
50%
100%
75%
25%
In rabbits, black fur is dominat and white fur is recessive. If two white rabbits mate, what is the chance that they will produce an offspring with black fur?
0
50%
100%
25%
75%
What does it mean if an offspring is homozygous for a trait?
It has two different alleles for that trait.
It has one dominant and one recessive.
It has two identical allele for one trait.
It has three alleles for that trait.
What does a Punnett square predict?
The exact genetic makeup of anindividual
The probability of offspring inheriting certain traits.
The number of chromosomes in an organism.
The mutations that will occur in DNA.
What do the letter inside the Punnett square represent?
The possible genotype of offspring.
The number of chromosomes in a cell.
The phenotype of the parent.
The mutations that may occur in DNA.
