| 释义 |
DEFINITIVE EXAMPLES 权威例句〔X-chromosome〕The sex chromosome associated with female characteristics, occurring paired in the female and single in the male sex-chromosome pair.x染色体：携带雌性因子的性染色体，通常在雌性性染色体对中有一对，而在雄性性染色体对中只有一个美国传统〔Y-chromosome〕The sex chromosome associated with male characteristics, occurring with one X-chromosome in the male sex-chromosome pair.Y染色体：与男性特征有关的性别染色体，与一个X染色体并存于雄性染色体配子中美国传统 |