an observable characteristic

A version or variation of a gene

The alleles that an organism has

The observable expression of a trait

When an organism has two of the same alleles, it is called

When an organism has two different alleles, it is called

This type of allele is expressed whether there are one or two copies present.

These types of alleles are only expressed if the organism has two copies

The genotype Aa is best described as

The genotype gg is best described as

In pea plants, purple flowers (P) are dominant to white flowers (p). The phenotype of a PP plant would be

In pea plants, purple flowers (P) are dominant to white flowers (p). The phenotype of a pp plant would be

In pea plants, purple flowers (P) are dominant to white flowers (p). The phenotype of a Pp plant would be

In mice, black fur (B) is dominant to brown fur (b). A Bb mouse would have the phenotype of

In mice, black fur (B) is dominant to brown fur (b). A bb mouse would have the phenotype of