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10 Cards in this Set
- Front
- Back
carrier |
someone who does not show disease symptoms, but can pass on the disease-causing allele to offspring |
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sex-linked genes |
genes that are located on the sex chromosomes |
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X chromosome activation |
a process in each cell of female mammals, wherein one of the two X chromosomes is randomly "turned off" |
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incomplete dominance |
a heterozygous phenotype is somewhere between the two homozygous phenotypes |
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codominance |
neither allele is dominant nor recessive and both traits are fully and separately expressed |
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polygenic traits |
traits produced by two or more genes |
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epistasis |
one gene that can interfere with the expression of other genes |
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linkage maps |
maps of the relative locations, or loci, of genes on a chromosome |
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pedigree |
chart that can help trace the phenotypes and genotypes in a family to determine whether people carry recessive alleles |
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karyotype |
a picture of all of the chromosomes in a cell where all the the chromosomes are stained with chemicals to produce a pattern of bands on the chromosomes |