Genetics and Punnett Squares Quiz

What is the genetic makeup of a hairless guinea pig?

• H

• hh

• Hh

• HH

What does a recessive allele represent?

• It is a dominating allele

• It is represented by a capital letter

• It will not usually show up

• It will always show up

What is the genotype of a guinea pig with hair?

• HH

• H

• Hh

• hh

What does the root 'homo' mean in the term 'homozygous'?

• Same

• Recessive

• Dominant

• Different

What is the phenotype of a guinea pig with the genotype Hh?

• Cannot be determined

• Recessive

• Hairless

• Has hair

What is the probability of a hairless guinea pig offspring from a monohybrid cross of two heterozygous guinea pigs?

• 25%

• 100%

• 50%

• 75%

What is the phenotype ratio of the offspring from a monohybrid cross of two heterozygous guinea pigs?

• 1 hairless: 3 have hair

• 4 have hair: 0 hairless

• 3 have hair: 1 hairless

• 2 hairless: 2 have hair

What is the purpose of a Punnett square?

• To identify the phenotype of an organism

• To analyze the dominance of alleles

• To predict the probability of offspring traits

• To determine the genotype of an organism

What does a phenotype represent?

• The dominance of alleles

• The probability of offspring traits

• The physical traits of an organism

• The genetic makeup of an organism

What is the significance of probabilities in genetics?

• They are exact predictions

• They are always accurate

• They are only applicable to certain traits

• They are predictions based on likelihood