Inheritance

Front

What is an allele?

Back

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

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present.

Front

What is a recessive allele?

Back

A recessive allele is an allele whose trait only shows up when no dominant allele is present.

Front

What is the law of dominance?

Back

One of the pairs of inherited traits will be dominant and the others recessive unless both the factors are recessive.

Front

What does the law of segregation state?

Back

Every individual possesses two alleles for any particular trait and which allele a parent gives its offspring is completely random.

Front

What is a genotype?

Back

The genetic makeup of an organism.

Front

What is a phenotype?

Back

The physical traits or characteristics of an organism.

Front

What is homozygous?

Back

An organism is homozygous when it has two identical alleles for a particular trait.

Front

What is heterozygous?

Back

An organism is heterozygous when it has two different alleles for a particular trait.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of traits.