Một loài thực vật lưỡng bội có 12 nhóm gen liên kết. Do đột biến, ở một quần thể thuộc loài này đã xuất hiện hai thể đột biến khác nhau là thể bốn và thể tứ bội. Số lượng nhiễm sắc thể có trong một tế bào sinh dưỡng của thể bốn và thể tứ bội này lần lượt là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  “Thank you for your help.” “ ___________ want more information, call again tomorrow.”
  
  

• Choose the best answer for the following sentence:

  “Remember the day I drove you to the airport?”

  “If you hadn’t ___________ me, I would have been late.”
  
  

• Choose the best answer for the following sentence:

  “Sally finally got here from Chicago.” “If she had come earlier, we _________ taken her to the play.”
   

• Choose the best answer for the following sentence:

  “I don’t know whether to take that mathematics course or not.” “If ___________ you, I’d take it.”
   

• Choose the best answer for the following sentence:

  It is ___________ that about 700 deer have been killed in the last few years due to the their horns.
   

• Choose the best answer for the following sentence:

  “My car broke down when I was leaving Detroit and I had to take the bus.'' ___________ '', we would have picked you up.”
   

• Choose the best answer for the following sentence:

  “It’s beginning to rain.” ''___________, we won’t be able to finish the ball game.”
   

• Choose the best answer for the following sentence:

  If I ___________ as young as you are, I _____________ in a boat round the world.
   

• Choose the best answer for the following sentence:

  I __________ skiing if there ___________ more snow.
   

• Choose the best answer for the following sentence:

  She __________ tennis if it __________ not so hot.