Inherited Traits Flashcards*

Front

What is an allele?

Back

An allele is a variant form of a gene that determines a specific trait in an organism.

Front

What is a dominant allele?

Back

A dominant allele is an allele that will always show up in the phenotype if it is present in the genotype.

Front

What is a recessive allele?

Back

A recessive allele is an allele that is hidden when a dominant allele is present.

Front

How are dominant and recessive alleles represented?

Back

Dominant alleles are represented by capital letters, while recessive alleles are represented by lowercase letters.

Front

What is a trait?

Back

A trait is a specific characteristic of an organism, such as height, color, or shape.

Front

What does it mean to be purebred?

Back

A purebred organism has two identical alleles for a specific trait.

Front

What does it mean to be hybrid?

Back

A hybrid organism has two different alleles for a specific trait.

Front

What is the phenotype?

Back

The phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is the genotype?

Back

The genotype is the genetic makeup of an organism, consisting of the alleles it possesses.

Front

What is the significance of the Punnett square?

Back

A Punnett square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.