40: Monohybrids and Punnett Squares

What is the teacher's confession about her classroom?

• She always wanted a pet rabbit.

• She always wanted a hairless guinea pig.

• She always wanted a pet snake.

• She always wanted a LOLcat.

What makes up genes in guinea pigs?

• Proteins

• Lipids

• DNA

• Carbohydrates

What is an allele?

• A type of cell

• A form of a gene

• A type of protein

• A type of carbohydrate

What does a recessive allele require to show up?

• Presence of a dominant allele

• Absence of any allele

• Absence of a dominant allele

• Presence of another recessive allele

What is the genotype of a hairless guinea pig?

• H

• Hh

• HH

• hh

What does 'homozygous' mean?

• One dominant and one recessive allele

• No alleles

• Same alleles

• Different alleles

What is the genotype of a heterozygous guinea pig?

• hh

• Hh

• H

• HH

What does a monohybrid cross focus on?

• Three traits

• One trait

• Four traits

• Two traits

What is the phenotype ratio of the offspring in the given example?

• 1:2:1

• 3:1

• 4:0

• 2:2

What do Punnett squares represent?

• Probabilities

• Exact outcomes

• Random guesses

• Definite results