92- Genetics Review

Front

What is the probability of offspring being tall and white in a dihybrid cross?

Back

3

Front

What does the symbol for an affected male look like on a pedigree?

Back

A filled square.

Front

What genotype indicates a carrier for a trait?

Back

X^B X^b

Front

What is a karyotype?

Back

A visual representation of an individual's chromosomes.

Front

What genotype is represented by 'aabb'?

Back

Homozygous recessive for both traits.

Front

What is the purpose of a dihybrid cross?

Back

To determine the probability of offspring genotypes for two traits.

Front

What does a filled circle represent on a pedigree?

Back

An affected female.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup, while phenotype is the observable traits.

Front

What does it mean for an organism to be homozygous?

Back

It has two identical alleles for a trait.

Front

What does it mean for an organism to be heterozygous?

Back

It has two different alleles for a trait.