Assume that magical ability (m) is a recessive to non-magical ability (M). A person without any magical abilities i
also known as a muggle. Use the key below to answer the
questions.
1. The Weasley Family:
Female muggle
Female witch
Heterozygous
female muggle
Male muggle
Make wizard
Heterozygous
male maggle
a. If Mr. and Mrs. Weasley are a wizard and a witch, what are their genotypes?
Mr. Weasley Mo
Mm
Mrs. Weasley
Mm
b. What must be the genotype of all of their children (Bill, Charlie, Percy, Fred, George, Ron, and
Ginny)?
c. Draw a pedigree for the Weasley family on a separate piece of paper. Use shading to indicate
genotype. Also, write the names and genotypes below each of the circles or squares.
2. The Granger Family:
a. Now let's look at Hermione Granger's family. Hermione is a witch but her parents are both muggles.
What are the genotypes for the three member of the Granger family?
Mom
Dad
Hermione
b. Draw a pedigree for the Granger family on a separate piece of paper. Use shading to indicate
genotype. Also, write the names and genotypes below each of the circles or squares.
3. The Potter Family:
a. Finally, draw a family pedigree of three generations of Harry Potter's family on a separate piece of
paper. Use the descriptions below:
b. Harry is a wizard. His father, James, was a wizard and his mother, Lily, was a witch.
c. Both of Harry's dad's parents had magical abilities.
d. However, Harry's mother's parents did not nor does her sister, Harry's Aunt, Petunia.
e. Petunia is married to Vernon Dursley and they have a son, Dudley. None of the Dursleys have
magical powers.
f. Use shading to indicate genotype. Also, write the names and genotypes below each of the circles (
squares. For those who only one allele is known, write the known allele and a question mark.