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How Heredity Works

All organisms have parenttwochromosomeDNASelect your answer copies of each gene for a given trait. They get one copy from each chromosomeparentDNApuzzleSelect your answer. A gene is the portion of a(n) DNAchromosomepuzzleparentSelect your answer that controls a particular inherited trait. Information needed for cellscodesbasesparentSelect your answer to function are contained in genes. Genes are sections of a long, complex molecule called basescellsDNAcodesSelect your answer. The shape resembles a spiral staircasechromosomepuzzleDNASelect your answer. Its steps are made of chemical compounds called cellscodesbasescombinationsSelect your answer. They fit together like the pieces in a(n) puzzlestaircaseDNAparentSelect your answer. The order in which the base pairs appear allows for a large number of combinationscodesbasescellsSelect your answer. DNA contains the cellscodesbasescombinationsSelect your answer that tell each cell how to operate.