单词 | chromosomes |
释义 | Example sentences from the Web for chromosomeschromosomes[ (kroh-muh-sohmz) ] The small bodies in the nucleus of a cell that carry the chemical “instructions” for reproduction of the cell. They consist of strands of DNA wrapped in a double helix around a core of proteins. Each species of plant or animal has a characteristic number of chromosomes. For human beings, for example, it is forty-six. notes for chromosomesIn humans, sex is determined by two chromosomes: an X-chromosome, which is female, and a Y-chromosome, which is male. (See sex chromosomes.) Words nearby chromosomeschromosome aberration, chromosome band, chromosome map, chromosome mapping, chromosome number, chromosomes, chromosphere, chromous, chromy, chromyl, chron- The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
随便看 |
|
英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。