monohybrid/dihybrid cross practice flashcard

Front

What are the possible genotypes from a cross of Bb (Dad) and BB (Mom)?

Back

BB, Bb

Front

What is heredity?

Back

Traits that are passed down from parents to offspring.

Front

What genotype is represented by the combination of two recessive alleles?

Back

aabb

Front

What does homozygous mean?

Back

The organism has the same genes for the trait.

Front

What genotype is missing from this Punnett Square: RrYY, RRYY, rryy?

Back

RrYy

Front

What is a monohybrid cross?

Back

A genetic cross between individuals that involves one pair of contrasting traits.

Front

What is a dihybrid cross?

Back

A genetic cross between individuals that involves two pairs of contrasting traits.

Front

Define allele.

Back

An allele is a variant form of a gene.

Front

What is a Punnett Square used for?

Back

To predict the genotypes of offspring from a genetic cross.

Front

What does it mean if an organism is heterozygous?

Back

The organism has two different alleles for a trait.