题目

Most of you have heard of the term big data by now. When a company records the information of millions of users, it can analyze this big data to discover patterns and trends, allowing them to make better business decisions. It sounds like a science experiment, but every single user who gives up their information becomes an unwilling test subject. Companies claim that the data is used to provide better service. When shopping on Taobao, for example, you will get product recommendations based on your previous purchases, making it easier to finish a shopping list. However, did you really end up on男性体细胞中的Y性染色体一定来自他的A.父亲B.母亲C.外祖母D.祖母