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Section .1.
| Question | Answer |
|---|---|
| sex chromosome | (genetics) a chromosome that determines the sex of an individual |
| autosome | any chromosome that is not a sex chromosome |
| sex-linked trait | a trait that is determined by a gene found on one of the sex chromosomes |
| linked gene | one of a pair of genes that tend to be inherited together |
| chromosome map | a diagram of gene positions on a chromosome |
| map unit | in chromosome mapping |
| germ-cell mutation | mutation that occurs in an organism's gametes |
| somatic-cell mutation | a mutation that occurs in a body cell |
| lethal mutation | a gene or chromosomal mutation that influences the development of an organism in such a way that the organism cannot survive |
| deletion | the loss of a part of DNA from a chromosome |
| inversion | ,(genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed |
| translocation | (genetics) an exchange of chromosome parts |
| nondisjunction | meiosis in which there is a failure of paired homologous chromosomes to separate |
| point mutation | gene mutation involving changes in one or a few nucleotides |
| substitution | a mutation in which a nucleotide or a codon in DNA is replaced with a different nucleotide |
| frameshift mutation | mutation that shifts the "reading" frame of the genetic message by inserting or deleting a nucleotide |
| insertion mutation | a mutation in which one or more nucleotides are added to a gene |
Created by:
burkea15
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