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units of information on heritable traits parent give to kids each have special location in DNA |
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Ccells chromosome number 2n, pairs of genes on pairs of homologous chromosomes |
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Alteration of gene's molecule structure and its message about a trait |
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one of two or more molecular forms of a gene at a given locus slightly different versions of the same trait |
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homozygous and heterozygous |
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homo- pair of identical alles on a pair of homologous chromosomes hetero- a pairing of non identical alleles |
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AA- homozygous dominant individual aa- homozygous recessive individual Aa- heterozygous individuals |
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alles that an individual carries |
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individuals observable traits |
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P- true-breeding parents, F1- 1st generation, F2- 2nd generation |
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MEndel's theory of Segregation |
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Definition
Dipliod cells have pairs of genes on pairs of homologous chromosomes. the genes of each pair are separated from each other during meiosis so they end up in different gametes |
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