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One of the characteristics of living things is their ability to ... ?
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Reproduce their kind
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Heredity is the transfer of biological information from ... ?
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Parent to offspring
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Genetics is the branch of biology concerned with the structure, transmission, and ... ?
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Expression of hereditary information
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Genes are the ... ?
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Units of heredity
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Chromosomes (colored bodies) are the nuclear packages in which ... ?
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Genetic information is stored
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Chromosomes are composed of a tangle of darkly staining fibers called ... ?
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Chromotins
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Chromotin is composed of ... ?
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60% protein, 35% DNA, and 5% RNA
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THe length of DNA in a single cell nucleus is estimated to be ... ?
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About 1 yard
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Each chromosome contains .... ?
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Thousands of genes
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Each gene is a unit of information which determines a specifically hereditary trait and occupies a ... ?
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Specific location on a chromosome
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Some genes are capable of transmitting their chromosomal ... ?
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DNA information to RNA molecules
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RNA molecules contain the code sequence of amino acids (the building blocks of proteins) of all proteins produced ... ?
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Within the organism
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Humans have ... ?
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About 75,000 genes
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Everyy individual in a given species possesses a specific number of chromosomes. These chromosomes occur in ... ?
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Virtually every cell of the body.
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Human body cells have 46 chromosomes. For this reason 46 is termed the ... number?
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Somatic
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