attached X chromosome

例句：

1. 1. The study of genetics is crucial for understanding the attachment of X chromosomes to male gametes.
   了解遗传学对于理解X染色体附着到雄性配子上至关重要。
2. 2. In humans, the attachment of the X chromosome to a male gamete results in a sex-linked trait.
   在人类中，X染色体附着到雄性配子上导致一种性别相关的特征。
3. 3. The study of genetics has led to the discovery of new genes that are involved in the attachmentof X chromosomes to female gametes.
   遗传学研究导致了对新基因的发现，这些基因涉及X染色体附着到雌性配子上的过程。