X chromosome

(biology 生) chromosome that occurs as one of an identical pair in female cells to produce a female in the reproductive process, or singly combined with a single Y chromosome in male cells to produce a male X染色体. Cf 参看 Y chromosome (Y).

wrong-foot, wrong-headed, wrongdoer, wrongdoing, wrongful, wrongfully, wrongly, wrote, wrought, wrought iron, wrung, wry, wryly, wryness, wt, WWF, WX, wych-elm, x, X (also x), X, x, X-ray, xenon, xenophobe, xenophobia, xenophobic, Xerox, Xhosa, XL, Xmas, Xt, Y, Y chromosome, Y, y, Y-fronts, yacht, yachtsman, yack, yackety-yack, yah,