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Chapter 8
definitions
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 nucleotides in a gene. |
Somatic Mutation | A mutation that occurs in the body cells(those cells that do not make gametes). |
Germ Mutation | A mutation in a gamete or gamete-forming cell. |
Chromosomal Change | A change involving the number of chromosomes or the number of location of genes in a chromosome. |
Diploid | Having one pair of each type of chromosome in an organism. |
Selective breeding | Choosing certain organisms with desirable traits to breed in the hope that their offspring also will have the desired traits. |
Inbreeding | The mating of closely related organisms. |
breed | A group of organisms that is purebred for certain characteristics. |
Crossbreeding | Breeding animals from different varieties to produce a breed with traits form both parents. |
Genetic Engineering | The use of special techniques to control the genetic makeup an organism. |
Human Genome Project | Studying all twenty-three pairs of human chromosomes. |