Genetics and Traits of Guinea Pigs Quiz

What type of pet did the teacher desire for the classroom?

• Hairless cat

• Hairy guinea pig

• Hairy dog

• Hairless guinea pig

What symbol is used to represent a recessive allele for hairlessness in guinea pigs?

• g

• h

• H

• G

If a guinea pig has one 'H' allele and one 'h' allele, what is its genotype called?

• Homozygous dominant

• Heterozygous

• Homozygous recessive

• None of the above

What is the genotype of a hairless guinea pig?

• HH

• Hh

• hh

• Hg

What does 'homozygous' mean in the context of guinea pig genetics?

• Recessive trait

• Dominant trait

• Same alleles

• Different alleles

In a Punnett square, what does the combination 'Hh' represent?

• Both parents are homozygous

• One parent is homozygous and the other is heterozygous

• Both parents are heterozygous

• Cannot be determined

What percentage of offspring are expected to be homozygous dominant (HH) when two heterozygous (Hh) guinea pigs are crossed?

• 25%

• 50%

• 75%

• 100%

What does a phenotype describe in guinea pigs?

• Physical traits

• None of the above

• Probability of traits

• Genetic makeup

What is the phenotype ratio for hair to hairless in the offspring from the cross of two heterozygous guinea pigs?

• 4:0

• 1:3

• 3:1

• 2:2

Why are Punnett squares considered predictions?

• They predict environmental effects

• They show possible genetic combinations

• They are always accurate

• They show actual results