Cells and Heredity: Chapter Four

14 terms by kbernier

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Multiple Alleles

a series of three or more alternative or allelic forms of a gene, only two of which can exist in any normal, diploid individual.

Sex-linked gene

A gene located on a sex chromosome, usually the X-chromosome.

carrier

someone who carries a trait but does not have it themselves

Pedigree

an ancestral line; line of descent; lineage; ancestry

Genetic Disorder

A disease or condition caused by an absent or defective gene or by a chromosomal aberration

Amniocentesis

surgical puncture to remove fluid from the amnion

Karyotype

A picture of all the chromosomes in a cell arranged in pairs

Selective Breeding

The process of selecting a few organisms with desired traits to serve as parents of the next generation

Inbreeding

the act of mating closely related individuals

Hybridization

(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

Clone

a group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction

Genetic Engineering

process of making changes in the DNA code of living organisms

Gene Therapy

The insertion of working copies of a gene into the cells of a person with a genetic disorder in an attempt to correct the disorder

Genome

the complete genetic material contained in an individual

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