Một quần thể có thành phần kiểu gen là: 0,5AA : 0,2Aa : 0,3aa. Tần số alen a của quần thể này là bao nhiêu?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  follow                  job                      geography                     develop

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

  awful                   quality                        corner                      fourteen 

• Choose a word that has different stress pattern:

  enjoy               prevent               special                  attend

• Choose a word that has different stress pattern:

  different                disabled                 consuming                    activity

• Choose a word that has different stress pattern:

  educate                secondary                 ornament                     suspicious

• Choose a word that has different stress pattern:

  explain               gradually                     development                   profession

• Choose a word that has different stress pattern:

  opposite                  employed                      condition                   important

• Choose the best answer for the following sentence:

  We have been studying together for ten years now. We are ___________.
  
  

• Choose the best answer for the following sentence:

  Father: “Playing computer game for more than two hours a day is not good”
  Tuan: “I know, I’ll ________________ .”
  
  

• Choose the best answer for the following sentence:

  Water: "What would you like to drink, beer _____________ wine?”