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Geneticist
遺傳學家
If you mom's blood type is O and your dad's blood type is A.
如果你媽媽是O型血，你爸爸是A型血。
Your blood type must be either A or O.
那你不是A型血就是O型血。
How do we know this fact?
我們是怎么知道這個事實的？
Because some scientists study human blood types, we know that one's blood type is determine by the blood types of one's parents.
因為有些科學家研究人類的血型，所以我們知道一個人的血型是由他的父母決定的。
What do we call these scientists? Geneticists.
我們怎樣稱呼這些科學家？遺傳學家。
Geneticists are the scientists that study genes and heredity.
遺傳學家是研究基因和遺傳的科學家。
Geneticists usually study medicine, biology, chemistry and so on.
遺傳學家通常研究醫學、生物學，化學等等。
These days, some geneticists are working to make human clones.
如今，有些遺傳學家正在從事克隆人類的工作。
Do you think it is possible?
你認為這行得通嗎？
They think it is.
他們認為行得通。
