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13 Cards in this Set
- Front
- Back
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Carrier |
Individual heterozygous for a recessive disorder such as cystic fibrosis or Tay-sachs disease |
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Pedigree |
Diagram media family history that is used to study inheritance patterns of a trait through several generations and that can be used to predict disorder in future offspring |
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Autosome |
Chromosome that is not a sex chromosome |
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Codominance |
Complex inheritance pattern that occurs when neither allele is dominant and both alleles are expressed |
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Epistasis |
interaction between alleles in which one allele hides the effects of another allele |
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Incomplete dominance |
Complex inheritance pattern in which the heterozygous parent organism |
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Multiple alleles |
Having more then two alleles for a specific trait |
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Polygenic trait |
Characteristic such as eye color or skin color result from the interaction of multiple gene pairs |
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Sex chromosome |
X or Y chromosome paired sex chromosome determine an individuals gender-XX individuals are females and XY individuals are males |
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Sex-linked Trait |
Characteristic such as red-green color blindness controlled by genes on the X chromosome also called an X-linked trait |
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Karyotype |
Micro graphic in which the pairs if homologous chromosomes are arranged in decreasing size |
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Non disjunction |
Cell division in which the sister chromatic do NOT separate correctly, resulting in gametes with an abnormal number of chromosomes |
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Telomere |
Protective cap made of DNA that is found on the ends of a chromosome |
