Basic Genetic Terms

Having two identical (same) alleles for a trait.

• Homozygous

• Heterozygous

Having two different alleles for a trait.

• Homozygous

• Heterozygous

Tags

NGSS.HS-LS3-2

When an organism that has both alleles of a gene displays both phenotypes at the same time.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

When the phenotype of the two alleles blend.

• Codominance

• Incomplete Dominance

• Dominant allele

• Recessive allele

Inherited traits that are determined by more than one gene.

• Codominance

• Incomplete Dominance

• Polygenic Traits

• All are incorrect

Different variations of the same gene.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

The combination of alleles for a particular trait, such as eye color.

Having two dominant alleles for a trait

a trait that can be hidden by another trait

Having two different alleles for a trait