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CHAPTER 7 TERMS
| Term | Definition |
|---|---|
| Carrier | Organism whose genome contains a gene for a certain trait or disease that is not expressed in the organism's phenotype |
| 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 | Heterozygous phenotype that is a blend of the two homozygous phenotypes |
| Co-Dominance | Heterozygous genotype that equally expresses the traits from both alleles |
| 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 | Chart of the phenotypes and genotypes in a family that is used to determine whether and individual is a carrier of a recessive allele |
| Karyotype | Image of all the chromosomes in a cell |