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14 terms

Cells and Heredity: Chapter Four

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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