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Chapter 7

Extending Mendelian Genetics

QuestionAnswer
carrier does not show disease symptoms but can pass on the disease-causing allele to offspring
sex-linked gene genes that are located on the sex chromosome
X chromosome inactivation the process by which, in each cell of a female mammal, on of the two X chromosomes is randomly "turned off"
incomplete dominance a heterozygous phenotype is somewhere between the two homologous phenotypes
codominance both traits are fully and separately expressed
polygenetic trait traits produced by two or more genes
linkage map map of the relative locations, or loci, of genes on a chromosome
pedigree can help trace the phenotypes and genotypes in a family to determine whether people carry recessive alleles
karyotype a picture of all of the chromosomes in a cell
Created by: kaseywallace