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Chapter 7 Vocab
| Term | Definition |
|---|---|
| carrier | in bio, an individual who has one copy of a recessive autosomal allele that causes disease in the homozygous condition |
| sex-linked gene | gene that is located on a sex chromosome |
| X chromosome inactivation | process that occurs in female mammals in which one of the X chromosomes is randomly turned off in each cell |
| incomplete dominance | a condition in which a trait in an individual is intermediate between the phenotype of the individual's two parents because the dominant allele is unable to express itself fully |
| codominance | a condition in which both alleles for a gene are fully expressed |
| polygenic trait | trait that is produced by two or more genes |
| linkage map | diagram that shows the relative locations of genes on a chromosome |
| pedigree | a diagram that shows the occurrence of a genetic trait in several generations of a family |
| karyotype | image of all the chromosomes in a cell |
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mbaker36