** Ở một loài, khi lai giữa thân cao với cây thân thấp số liệu thu được F₁ đều có thân cao, F₂ xuất hiện tỉ lệ: 1651 cây thân cao : 383 cây thân thấp.

Đặc điểm di truyền về tính trạng kích thước thân của loài là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  ______________ the rain, we had a barbecue.
   

• Choose the best answer for the following sentence:

  Despite ______________, they did not cancel their departure.
   

• Choose the best answer for the following sentence:

  Although ________________, most people now prefer to rent or buy in the neighborhood.
   

• Choose the best answer for the following sentence:

  _____________ of being clever, he failed the exam.
   

• Choose the best answer for the following sentence:

  ________________ repeated assurances that the product is safe, many people have stopped buying it.
   

• Choose a word that has different stress pattern:

  barbecue                     government                     discover                    beautiful

• Choose the word that has the underlined part pronounced differently from the rest:

  impressed                     mixed                    participated                    finished

• Choose the word that has the underlined part pronounced differently from the rest:

  path                  southern                   athlete                  south           

• Choose the word that has the underlined part pronounced differently from the rest:

  discover                   limestone                   admire                    wildlife          

• Choose the best answer for the following sentence:

  He likes to give ________________ that he is very popular and has lots of friends.