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DNA
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a single parent produces one or more identical offspring by dividing into two cells; also called mitosis
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pattern of reproduction that involves the production and fusion of haploid sex cells
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influenced by crossing-over, genetic engineering, random assortment of genes, or natural selection. Brought about by sexual reproduction
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RNA
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DNA -> _______________ -> RNA; mRNA is made from one strand of DNA, carries message to the ribosome
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two alleles of a pair are different (Bb)
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polymer of a protein
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RNA -> ______________ -> Proteins; occurs at the ribosome; tRNA transfers amino acids from cytoplasm to ribosome
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two alleles of the pair are identical (BB or bb)
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monomer of a nucleic acid
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controlling allele; designated with a capital letter
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branch of biology that deals with heredity
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change in the genetic code
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division of nucleus of the cell
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sex cells
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same number of chromosomes as the original cell
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two cell divisions, but only one chromosome replication; occurs only in gametes
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half the number of chromosomes
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trait
