Genetics Vocab + Monohybrid

Front

What is a phenotype?

Back

The observable physical traits of an organism, such as hair color or eye color.

Front

What does homozygous dominant mean?

Back

An organism with two identical dominant alleles for a trait, represented as 'AA'.

Front

What is a heterozygous genotype?

Back

An organism with two different alleles for a trait, represented as 'Aa'.

Front

What is a homozygous recessive genotype?

Back

An organism with two identical recessive alleles for a trait, represented as 'aa'.

Front

How are dominant alleles represented?

Back

Dominant alleles are represented by capital letters.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the physical expression of that genotype.

Front

What is an allele?

Back

An allele is a variant form of a gene that can produce different traits.

Front

What does it mean if a trait is recessive?

Back

A recessive trait is one that is only expressed when two recessive alleles are present.

Front

What is a monohybrid cross?

Back

A genetic cross that examines the inheritance of a single trait.

Front

What is the purpose of a Punnett square?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.