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| the different forms of a gene. Y and y are different alleles of the gene that determines seed color |
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| a trait expressed preferentially over another trait |
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| offspring of a cross between true breeding plants, homozygous for the trait of interest |
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Definition
| offspring of a cross involving the F1 generation |
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Definition
| the gentic constitution of an organism with respect to a trait. yellow seeds are dominant, but yellow seeded plants could have a genotype of either YY, or Yy |
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Term
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Definition
| differing alleles for a trait in an individual, such as Yy |
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Definition
| both alleles for a trait are the same in an individual. they can be homozygous dominant (YY), ir homozygous recessive (yy) |
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Definition
| heterozygous; usually referring to the offspring of two true-breeding (homozygous) individuals differing in the traits of interest |
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Definition
| cross involving parents differing in only one trait |
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Definition
| change in the DNA sequence of a gene to some new, heritable form. generally but now always a recessive allele. |
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Definition
| the physicall appearance of an organism with respect to a trait, recessive trait. |
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Definition
| the opposite of dominant. a trait is preferentially masked. |
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Definition
| a gene coded on a sex chromosome, such as the X-chromosome linked genes of flies and man. |
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