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PCS Liv Env

Vocabulary for Topic 3 - Genetic Continuity

Asexual Reproduction a method of reproduction in which all the genes passed on to the offspring come from a single individual or parent; identical offspring
Biotechnology the combination of technology and biological sciences
Bond the chemical link between atoms that hold molecules together; store energy
Chromosomes a thick, threadlike structure that contains genetic information in the form of DNA
Clone an organism that is genetically identical to the organism from which it was produced (Hint: Molly, the sheep)
DNA the material found in all cells that contains genetic information about that organism
Egg female sex cell
Expressed the way that an unseen gene is seen in an organism as an actual physical trait; the gene is shown
Genes a segment of DNA (on a chromosome) that contains the code for a specific trait
Genetic Engineering a set of technologies that humans use to alter the genetic instructions of an organism by substituting DNA molecules
Heredity the passing of traits from parent to offspring; can't be controlled
Mutation any alteration in the sequence of DNA (think Teenage Mutant Ninja Turtles - they were turtles then a change in DNA occurred to make them big)
Replicate to copy
Selective Breeding the process of choosing a few organisms with desirable traits to serve as the parents of the next generation
Sexual Reproduction a method of reproduction that involves two parents to produce offspring that are genetically different from either parent; different offsprings
Sperm male sex cell
Subunit the section of a DNA molecule that contains a sugar, phosphate, and a base; another name is nucleotide
Template the pattern for a new molecule
Traits a characteristic that is passed from parent to offspring through the genes
Genetic Rrecombinatoin formation of a new combination of genes during sexual reproduction
Created by: Ms.Sala



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