Extending Mendelian Genetics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| carrier | does not show disease symptoms but can pass on the disease-causing allele to offspring
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| sex-linked gene | genes that are located on the sex chromosome
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| X chromosome inactivation | the process by which, in each cell of a female mammal, on of the two X chromosomes is randomly "turned off"
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| incomplete dominance | a heterozygous phenotype is somewhere between the two homologous phenotypes
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| codominance | both traits are fully and separately expressed
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| polygenetic trait | traits produced by two or more genes
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| linkage map | map of the relative locations, or loci, of genes on a chromosome
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| pedigree | 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
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Created by:
kaseywallace
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