| Term | Definition |
|---|
| chromosome map | a diagram that shows the linear sequence of genes on a chromosome |
| deletion | a mutation in wich a segment of DNA breaks off of a chromosome |
| frame shift mutation | a mutation that results in the misreading of the code during translation because of a change in the reading frame |
| germ-cell mutation | mutation occuring in the organisms germ cell |
| inversion | a mutation that occurs when a chromosome piece breaks off and reattaches in reverse orientation |
| letheal mutation | mutation the causes death |
| linkage group | the group of genes, located on the same chromosome, that are usually inherited together |
| map unit | a unit in chromosome mapping equal to a 1 percent occurence of crossing-over |
| nondisjunction | the failure of homologus chromosomes to separate during meiosis or the failure of sister chromatids to seperate during mitosis |
| point mutation | the change of a single nirtogen-containing base within a codon |
| sex linkage | the presence of a gene on a sex chromosome |
| sickle cell anemia | genetic disorder causes by a point mutation that substitutes adenine for thymine in a single DNA codon |
| somatic mutation | a mutation that occurs in a body cell |
| substitution | a point mutation in which one nucleotide in a codon is replaced with a different geographical areas |
| translocation | a mutation in which a broken piece of chromosome attaches to a nonhomologus chromosome |
| X-linked gene | a gene found on the X chromosome |
| Y-linked gene | a gene found on the Y chromosome |
Combine with other sets
Share on Facebook
Share on MySpace