| 单词 | point mutation |
| 释义 | point mutationnoun Genetics.a change in a single base in a nucleotide sequence. Origin of point mutationFirst recorded in 1920–25 Words nearby point mutationpointing device, point in time, point lace, pointless, point man, point mutation, point of departure, point off, point of fixation, point of honor, point of honour Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for point mutationpoint mutation n.A mutation that involves a single nucleotide and may consist of loss of a nucleotide, substitution of one nucleotide for another, or the insertion of an additional nucleotide. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for point mutationpoint mutation A mutation in which one nucleotide is added, deleted, or replaced by another. Point mutations include missense, nonsense, frameshift, and silent mutations. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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