Nuclear mutation - sudden mutation

Japanese: 核性突然変異 - かくせいとつぜんへんい
Nuclear mutation - sudden mutation

...refers to the quantitative and qualitative changes in the genetic material of an organism, and the state resulting from such changes. Mutations of the genetic material in the cell nucleus (nuclear mutations) can be divided into genome mutations, chromosomal mutations, and gene mutations, depending on the unit of genetic material in which the change occurs. The distinction between dominant and recessive mutations refers to whether the mutation is heterodiploid and results in a change in phenotype, and the distinction between autosomal and sex chromosomal mutations refers to the difference in the chromosome in which the mutation occurs, but neither of these are fundamental classifications of mutations. ...

*Some of the terminology that refers to "nuclear mutation" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…生物のもつ遺伝物質が量的・質的に変化すること,およびその変化によって生じた状態を指す。細胞核内の遺伝物質の突然変異(核性突然変異)は,変化が起こる遺伝物質の単位に応じて,ゲノム突然変異,染色体突然変異,遺伝子突然変異に分けられる。優性突然変異,劣性突然変異という区別は,突然変異がヘテロ二倍体で表現型の変化をもたらすか否かの違いをいうのであり,また常染色体突然変異,性染色体突然変異という区別は,突然変異が起こった染色体の違いをいうものであるが,いずれも突然変異の分類としては基本的ではない。…

※「核性突然変異」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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