Patterns of Inheritance Reinforcement/ Flashcard prep

Front

What is the ratio of dominant to recessive phenotype in a typical Mendelian cross?

Back

3:1

Front

What is it called when both traits are expressed together without blending?

Back

Codominance

Front

What allele combination represents a heterozygous genotype?

Back

Aa

Front

What is the probability of offspring showing a dominant phenotype in a monohybrid cross?

Back

75%

Front

What is the term for a genetic trait that is expressed in the presence of a dominant allele?

Back

Dominant trait

Front

What is the term for a genetic trait that is only expressed when two recessive alleles are present?

Back

Recessive trait

Front

What is the term for a cross between two individuals that are heterozygous for one trait?

Back

Monohybrid cross

Front

What is the term for a cross between two individuals that are heterozygous for two traits?

Back

Dihybrid cross

Front

What is the expected phenotypic ratio in a dihybrid cross?

Back

9:3:3:1

Front

What is the term for the physical expression of a genotype?

Back

Phenotype