Chapter 12 Word Scramble
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Term | Definition |
Sex Chromosome | Contain genes that determine the sex of an individual |
Autosome | The remaining chromosomes that are not directly involved in determining the sex of an individual |
Sex-Linked Trait | A trait that is coded for by an allele on a sex chromosome |
Linked Gene | Pairs of genes that tend to be inherited together |
Chromosome Map | Diagram that shows the linear order of genes on a chromosome |
Map Unit | As a frequency of crossing-over 1 percent |
Germ-Cell Mutation | Mutation in an organisms gametes |
Somatic-Cell Mutation | Mutations in an organism's body cells and can therefor affect the organism |
Lethal Mutation | Cause death, often before birth |
Deletion | Loss of a piece of chromosome due to breakage |
Inversion | A chromosome segment breaks off, flips around backward, and reattaches |
Translocation | A piece of one chromosome breaks off and reattaches to a nonhomologous chromosome |
Nondisjunction | A chromosome fails to separate from it homologous during meiosis |
Point Mutation | The substitution, addition, or removal of a single nucleotide, the change often occurs within a single gene or other segment of DNA on a chromosome |
Substitution | One nucleotide replaces another |
Frameshift Mutation | Making all amino acids downstream change |
Insertion Mutation | One or more nucleotides are added to a gene, can result in a frameshift mutation |
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McLeanE18
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