Một cơ thể có kiểu gen AaBb giảm phân phát sinh giao tử, ở một số tế bào xảy ra sự rối loạn phân ly trong giảm phân ở cặp nhiễm sắc thể chứa cặp gen Aa. Cơ thể đó có thể tạo ra số loại giao tử tối đa là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  ___________ the company offer the job, I’ll take it.
   

• Choose the best answer for the following sentence:

  Were I five centimetres taller, I _____________ for the job.
   

• Choose the best answer for the following sentence:

  If you ______________ breakfast, you wouldn’t be hungry now.
   

• Choose the best answer for the following sentence:

  Had I known that John wanted to get up early, I _________________ him up.
   

• Choose the best answer for the following sentence:

  The population of the world has been _______________ faster and faster.
   

• Choose one sentence that has the same meaning as the root one:

  I used my calculator; otherwise, I’d have taken longer.
  
  

• Choose one sentence that has the same meaning as the root one:

  If I were you, I would travel to Paris by train.
  
  

• Choose one sentence that has the same meaning as the root one:

  Had he listened to me, he wouldn’t have failed the driving test.
  
  

• Choose a word that has different stress pattern:

  longevity                    occasional                    preparation                  especially

• Choose a word that has different stress pattern:

  apricot                   January                  Thanksgiving                    necessary