Tế bào của một thai nhi chứa 47 nhiễm sắc thể và quan sát thấy 2 thể Barr. Có thể dự đoán :    

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  She is far ____________ than she used to be.
   

• Choose the best answer for the following sentence:

  ____________ man among the guests is a basketball player.
   

• Choose the best answer for the following sentence:

  I like both of them, but I think Kate is ____________ to talk to.
   

• Choose the best answer for the following sentence:

  Most people are __________ than their parents used to be.
   

• Choose the best answer for the following sentence:

  She has a lot to be thankful for; but _________ thing of all is that she does not realize it.
   

• Choose the best answer for the following sentence:

  Actually, today I feel ___________ than I did yesterday.
   

• Choose the best answer for the following sentence:

  This is _____________ interesting exhibition I’ve ever visited.
   

• Choose the best answer for the following sentence:

  Tom is the shortest of ___________ in the Smith family
   

• Choose the best answer for the following sentence:

  That is _____________ lecture we have ever listened to.
   

• Choose the best answer for the following sentence:

  No sooner had he gone to bed, he fell ___________.