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Genetics

Name _____________________

Period ___

How are wizards made?

Being a wizard or muggle is all decided by genetics. All humans including wizards

receive one allele from each parent. Muggle (W) is dominant to wizard (w).

1. The Malfoy family pride themselves on being pure blood. What are the parents

genotypes and phenotypes?

2. Hermionie is a witch, her parents are muggles. If Hermionies parents had morechildren, what is the likelihood that they would have another witch or wizard?

Witch/wizard _________ out of __________ or __________%muggle _________ out of __________ or _________%

3. Harrys parents are both wizards. His mothers sister is a muggle. What werehis grandparents genotype and phenotype?

What are the possible combinations their children could get?

Witch/wizzard _________ out of __________ or __________%

Muggle _________ out of __________ or _________%

4. Tom Riddle is a half blood. His mother was a witch with the genotype _______.

His father was a muggle. In order for Tom to be a wizard, what was the genotype ofhis father had to be __________. If Toms mother had been a muggle, is there any

possibility that they would have had a child that was a wizard?

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5. An animagus is a human that can turn into an animal when they choose. The

animagus is a combination of two dominant genes. If serious Black is an

animagus, what are the possible genotypes of his parents if they do not have theability to turn into an animal?

Mom ______________

Dad _____________

If Seriouss parents had more children, what is the likelihood

they would be an animagus?____________ out of __________ or __________%

6. The ability to talk to snakes (parselmouth) is a heterozygous trait, meaning that you

have one dominant and one recessive allele (Ss). If Harry is a parselmouth and is wifeGinny is not, is it possible for them to have parselmouth children?

Parselmouth ___________out of ________ or ________%

Not parselmough _________ out of __________ or __________%

7. If two parselmouths married each other what is the likelihood of them

having parselmouth children?Parselmouth ___________out of ________ or ________%

8. Weasley familyUsing F and f, what are possible genotypes of the allele pair for freckles?

9. If freckles are dominant and no freckles are recessive what are the phenotypes for the

above genotypes?

10. Using r (red hair) and R (brown hair) alleles, what possiblegenotypes of the allele pair are there?Genotype (allele pair) Phenotype (appearance)

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11. If Ginny has red hair and freckles (FF) , and no glasses and she marries Harry whohas brown hair (Rr) no freckles, and glasses, what are the possible genotypes and

phenotypes for their children.

*Hint glasses (gg) is recessive to no glasses (GG). Make a punnett square for each gene.

Genotypes Phenotypes

Hair color

Freckles

Glasses

On the back, draw a picture of Harry and Ginnys

three children, with appropriate traits.