Pinyin/X Chromosome

X chromosome is one of the chromosome that determined the sex of some animals. X chromosome appeared in the X0 and XY sex determination system. For humans in general, females have two X chromosomes, males have one of each of X and Y chromosome.

X raansehtii shì bùfèn dòngwù juédìng xìngbié d rǎnsètǐ zhīyī. Tā chūxiàn zài X0 hé XY xìngbié juédìng xìtǒng zhōng. Duì yībān rénlèi láishuō, nǚxìng yǒu 2-tiáo X rǎnsètǐ, nánxìng X,Y rǎnsètǐ gè yǒu 1-tiáo.