…In organisms in which the sexes are differentiated, one or more pairs of chromosomes that genetically control the determination and differentiation of sex are called sex chromosomes. These chromosomes were discovered in the spotted stink bug by HV Henking in 1891, but it was CEM McClung (1902), who studied the chromosomes of grasshoppers, who first pointed out that they play an important role in sex determination. Sex chromosomes differ in their staining and behavior from other autosomes, and in higher animals in particular, they exhibit abnormal condensation during the interphase and prophase of nuclear division. … *Some of the terminology that refers to "Henking, HV" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…雌雄の性が分化している生物において,性の決定と分化を遺伝的に制御している1対または複数対の染色体を性染色体という。この染色体は1891年ヘンキングH.V.Henkingによってホシカメムシで発見されたが,それが性決定に重要な役割を果たすことを最初に指摘したのは,バッタ類の染色体を研究したマックラングC.E.McClung(1902)である。 性染色体は,それ以外の常染色体autosomeと比較してその染色性や行動がことなり,とくに高等動物では核分裂の間期や前期で異常凝縮などがみられる。… ※「Henking,H.V.」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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