| 单词 | chromosomal mutation |
| 释义 | chromosomal mutation (extremely rare) n WORD FAMILY chromosomal mutation n (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism Syn|Hypo|Hyper genetic mutation, mutation deletion (genetics) the loss or absence of one or more nucleotides from a chromosome inversion(genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed transposition(genetics) a kind of mutation in which a chromosomal segment is transfered to a new position on the same or another chromosome gene mutation, point mutation(genetics) a mutation due to an intramolecular reorganization of a gene reversion(genetics) a return to a normal phenotype (usually resulting from a second mutation) saltation(genetics) a mutation that drastically changes the phenotype of an organism or species alteration, change, modification an event that occurs when something passes from one state or phase to another |
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