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| the different forms of a gene. Y and y are different alleles of the gene that determines seed coler |
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| a trait expressed preferentially ove another trait |
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| offspring of a cross between true breeding plants,homozygous forthe trait of intrest |
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| offspring of a cross involving the F1 gen |
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| the genetic constitution of an organism with respectto a trait. yellow seeds are dominant, but yellow seeded plants could havea genotype of either YY or Yy |
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| differing alleles fora trait in an individual, such as Yy |
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| both alleles for a trait are the same in an individual |
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| heterozygous;usually refferingto the offspring of two true-breeding individuals differing in the traits of intrest |
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| cross involving parentsdiffering in only one trait |
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| change in the DNA sequence of a geneto somenew,heritable form |
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| the physical appearance of an organism with respect to a trait |
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| a gene coded on a sex chromosome,such as the X-chromosome linked genes of flies and man |
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