She knows that brown eyes (B) are dominant to blue eyes (b). She views a Punnett square of a cross between a homozygous parent and a heterozygous parent.
Which TWO questions can the student answer using the Punnett square?
A.
What is the genotype of the female parent?
B.
What are the genotypes of the grandparents?
C.
What is the probability of an offspring being male?
D.
What is the probability of an offspring carrying a recessive allele?
E.
What is the percent likelihood of an offspring having brown eyes?
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The two questions that the student can answer using the Punnett square are:
D. What is the probability of an offspring carrying a recessive allele?
E. What is the percent likelihood of an offspring having brown eyes?
The Punnett square can provide information about the distribution of alleles in the offspring, including the likelihood of carrying recessive alleles and the likelihood of expressing dominant or recessive traits (in this case, brown or blue eyes).
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