Cho các nhận định sau:

(1) Mỗi tính trạng đều do một cặp nhân tố di truyền quy định.

(2) Trong tế bào, các nhân tố di truyền hòa trộn vào nhau.

(3) Bố (mẹ) chỉ truyền cho con (qua giao tử) 1 trong 2 thành viên của cặp nhân tố di truyền.

(4) Trong thụ tinh, các giao tử kết hợp với nhau một cách ngẫu nhiên tạo nên các hợp tử.

Có bao nhiêu nhận định không đúng theo quan điểm di truyền của Menden?    

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  A survey was conducted to find out the students’ attitudes __________love and marriage.
  
  

• Choose the best answer for the following sentence:

  When I come to school tomorrow, __________ .
  
  

• Choose the best answer for the following sentence:

  I telephoned David at 4.30, but ____________ .
  
  

• Choose the best answer for the following sentence:

  For the last ten years ________ in South Africa.
  
  

• Choose the best answer for the following sentence:

  I hope _________ by the end of the day.
  
  

   

• Choose the best answer for the following sentence:

  _________ while he has climbing it.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

   The children have been doing their homework and by 10 o’clock they still hadn't finished.

• Find a mistake in the four underlined parts of the sentence and correct it:

   He always says that he will mend the window but he never did it.

• Find a mistake in the four underlined parts of the sentence and correct it:

   She will leave for work before the children get home from school.

• Find a mistake in the four underlined parts of the sentence and correct it:

   Just as I had got to an interesting part of the story, the doorbell rang.