Cho các thành tựu sau: (1) Tạo giống cà chua có gen làm chín quả bị bất hoạt. (2) Tạo giống dâu tằm tam bội 3n. (3) Tạo giống cây bông vải kháng sâu hại. (4) Tạo giống nho không hạt. (5) Tạo cừu Đôly. (6) Tạo vi khuẩn sản xuất insulin của người.

Có bao nhiêu thành tựu trên được tạo ra bằng phương pháp gây đột biến?         

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  When you got lost in the forest you _________________________ very frightened.

   

• Choose the best answer for the following sentence:

  If at any point John feels himself _________________________ tense, he makes a conscious effort to relax.

   

• Choose the correct sentence which is built from the words and phrases given:

  she / admitted / too / fast / drive / through / the / town /.
  
  

• Choose the best answer for the following sentence:

  I ________ him these details, so he __________ some research on his own.

   

• Choose the best answer for the following sentence:

      She _______ a sort of breakdown some years ago, and since then she ______ very shy.

   

• Choose the best answer for the following sentence:

  When the police __________ to the scene of the accident, both drivers __________ away.

   

• Choose the best answer for the following sentence:

  When I _________ home yesterday morning, my son ________ and my wife ___________ to work.

   

• Choose the correct sentence which is built from the words and phrases given:

   Lan / apologize / come / for / late / meeting /.
  
  

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

  John is probably studying at the moment.

   

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

  He was possibly away as no one answered the phone.