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Questions and Answers List

Question	Answer
Twisted ladder shape of DNA, formed by two nucleotide strands twisted around each other	double helix
Deoxyribose Nucleic Acid; The genetic information present in all living things	DNA
A piece that completes a non-identical pair	Complementary
Ribonucleic acid; guides protein synthesis	RNA
Directed breeding to produce plants and animals with desired traits	Selective breeding
Selective breeding of closely related organisms to produce desired traits, or eliminate undesired traits, resulting in pure lines. However harmful recessive traits can also be passed on	Inbreeding
Technology used to manipulate an organisms DNA by inserting the DNA of another organism	Genetic Engineering
Total DNA in each cell nucleus of an organism	Genome
DNA from another organism	Recombinant DNA
Organism that is genetically engineered by inserting a gene from another organism	Transgenetic organism
To produce a genetically identical copy of an organism	Cloning
Technique to correct mutated disease-causing genes	Gene therapy
Permanent change in a cells DNA, ranging from changes in a single base pair to deletions of large sections of chromosomes	Mutation
substance such as a chemical that causes mutations	Mutagen