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This is chapter 4 section 3 for the textbook "Cells and Heredity!"

selective breeding

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


A selective breeding method in which 2 individuals with identical or similar sets of alleles are crossed.


A selective breeding method in which 2 genetically different individuals are crossed .


An organism that is genetically identical to the organism from which it was produced.

genetic engineering

The transfer of a gene from the DNA of one organism into another organism, in order to produce an organism with desire traits.

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.


All of the DNA in one cell of an organism.

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