澳门金沙官方平台网站入口:Thank your father for your lifespan

日期:2019-03-02 09:05:01 作者:邝腱跗 阅读:

CERTAIN traits can be easily traced to one parent, be it a big nose from dad or sharp cheekbones from mum. Now it seems that our lifespans might be inherited – but only from our fathers. One factor influencing how long we live is the length of the telomere caps on the ends of our chromosomes. Each time a cell divides, its telomeres get shorter – until they are so short that the cell can no longer divide,