Trong quá trình giảm phân của ruồi giấm cái có kiểu gen AB/ab đã xảy ra hoán vị gen với tần số 17%. Tỉ lệ các loại giao tử được tạo ra từ ruồi giấm này là: 

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Is two o'clock this afternoon ____________ for me to pick you up?
   

• I love going by train and I can’t go by car because I got _________.
    

• Choose the best answer for the following sentence:

  The beautiful ship of my ____________ made a good landfall.
  
  

• Choose the best answer for the following sentence:

  Tan:''__________?" 

  Mai: “Yes. I bring in case it rains”
   

• Choose the best answer for the following sentence:

  ________ I was answering the phone, the door bell rang.
  
  

• Choose the best answer for the following sentence:

  I cannot pack all my clothes in ___________ I bought a jumbo-bag.
  
  

• Choose the best answer for the following sentence:

  Peter: “Which seat is the most suitable for Mrs. Andrew?”

  Ben: “I think she should sit Section A.
  
  

• Choose the best answer for the following sentence:

  After arriving, we set our camp ground __________ the leaf bank of the river.
  
  

• Choose the best answer for the following sentence:

  I’m glad ___________ that your first picnic was excellent with your classmates.
   

• Choose the best answer for the following sentence:

  Hanh: “What are you going to do this afternoon?”

  Dung: “After lunch, I ___________ friend of mine. We are going shopping. Would you like to come along?”