Punnett Squares Basics

What is an allele?

• A type of chromosome

• A form of a gene

• A physical trait

• A genetic makeup

How is a recessive allele typically represented in genetics?

• By a capital letter

• By a lowercase letter

• By a number

• By a symbol

What is the genotype of a hairless guinea pig?

• HH

• Hh

• hh

• Any genotype containing a capital H

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When crossing two heterozygous guinea pigs (Hh x Hh), what is the expected phenotypic ratio of hairy to hairless offspring?

• 1:2:1

• 3:1

• 1:3

• 2:2