1/13 Flashcardziz Review

Front

When is a recessive allele expressed?

Back

A recessive allele is expressed only when the dominant trait is not present.

Front

Recessive traits use capital or lowercase letters?

Back

Recessive traits use lowercase letters.

Front

What is the allele combination for girls?

Back

The allele combination for girls is XX.

Front

Do dominant alleles always express themselves when present?

Back

True, dominant alleles always express themselves when present.

Front

Do inherited traits come from your parents?

Back

True, inherited traits come from your parents.

Front

What is an allele?

Back

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

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their traits even when only one copy is present, while recessive alleles require two copies to express their traits.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.