scienence part FOUR wow

Character

a characteristic of a species such as size or shape

trait

A form of a character such as tall or short

purebred

AN organism that always produces descendants with the same trait for a specific character

hybrid

An organism with a mix of alleles for a specific character

dominant trait

A trait of a specific character that appears in a hybrid organism

recessive trait

A trait of a specific character that is hidden by the dominant trait in a hybrid organism

simple dominance

A pattern of inheritance in which there are only two alleles and the dominant trait is always expressed in a hybrid organism

heredity

An organism with a mix of alleles for a specific character

genotype

The letters that symbolize an organism’s alleles for a specific gene

phenotype

The trait that an organism expresses as determined by its genotype

incomplete dominance

A pattern of inheritance in a hybrid in which traits are blended together

Codominance

A pattern of inheritance in a hybrid in which both traits are present but not blended

polygenic inheritance

A pattern of inheritance that occurs when two or more genes interact to control a single character

genetic drift

The accumulated random mutations within the DNA of a population of organisms

adaptation

An inherited trait that helps an animal survive to reproduce

natural selection

The process through which organisms with certain adaptations survive to pass on their traits to a greater number of offspring that other organisms do