Genetics Vocabulary

Traits that are controlled by 2 or more genes, such as eye color and height.

• Incomplete dominance

• Polygenic

• Multiple alleles

• codominance

A process in which the alleles for one genetic trait separate independently of another different trait.

• hybrid

• principle of independent assortment

• segregation

• crossing over

An organism that has 2 identical alleles for a trait.

• Homozygous

• Allele

• Heredity

• Heterozygous

An organism's genetic make up. Usually expressed in letters.

• Recessive Trait

• Genotype

• Dominate Trait

• Phenotype

A pattern of inheritance in which both alleles contribute to the phenotype.

• Incomplete dominance

• dominant-recessive

• Polygenic traits

• Codominance

The offspring of crosses between parents with different traits.

• Hybrid

• Dominant Trait

• Multiple alleles

• Codominance

A pattern of inheritance in which one allele isn't completely dominant over another

• Incomplete Dominance

• Dominant-recessive

• multiple alleles

• codominance

A specific characteristic that varies from one individual to another

• Heredity

• Allele

• Phenotype

• Trait

The different forms of a gene.

• Allele

• Gene

• Dominant Trait

• Recessive Trait

A process that is a part of meiosis...portions of chromatids are exchanged

• segregation

• chromosome- swapping

• gene swapping

• crossing over