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BJU Ch 8
Life Science
Term | Definition |
---|---|
Mutation | A change in the genetic material of a cell |
Lethal Mutation | A mutation that causes death |
Gene Mutation | A change in the sequence of the nucleotids in a gene |
Diploid | Having one pair of each type of chromosome in an organism |
Inbreeding | A mating of closely related organisms |
Somatic Mutation | A mutation that occurs in the body cells |
Germ Mutation | A mutation in a gamete or gametforming cell |
Genetic Engineering | The use of special techniques to control the genetic makeup of an organism |
Breed | A group of organism that is purebred for certain characteristics |
Chromosomal Change | A change involving the number of chromosomes or the number or location of genes in a chromosome |
Selective Breeding | Choosing certain organisms with desirable traits to breed in the hope that their offspring also will have the desired traits |
Crossbreeding | Breeding animals from different varieties produce a breed with traits of both parents |