Genetic code - The instructions in a gene cell that tell the cell how to make a specific protein, Mutation - Change in the DNA sequence , Differentiation - The environmental temperature can influence the development of organisms , karyotype - Used to look for abnormal numbers or structures of chromosomes, selective breeding - Mailing organisms with desirable traits to produce an offspring with more of the desirable characteristics , cloning - A technique used to make exact genetic copies of living things, genetic engineering - The process of using recombinant dna technology to change the genetic makeup of an organism, gel electrophoresis - Method to separate mixtures of dna and rna or proteins according to molecular size,

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