Chapter 7 vocab- Bio
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9 terms
Terms | Definitions |
|---|---|
 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 activation | 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 |
| Codominance | 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 an individual is a carrier of a recessive allele |
| Karyotype | Image of all of the chromosomes in a cell |
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