There are two chromosomes (chromosomeX and chromosome y) involved in this process, and a combination of these chromosomes will determine the gender of the baby.
有两条染色体(染色体x和染色体y)参与到这个过程中，这些染色体的组合将会决定婴儿的性别。
2
Most interesting was what the scientists discovered about the Xchromosome in humans and chimpanzees.
最有趣的要数科学家们在人类和黑猩猩X染色体上的发现。
3
Men who carry the faulty genes can only pass them on through their Xchromosome to their daughters.