Một cây có kiểu gen  tự thụ phấn, đời con thu được nhiều loại kiểu hình trong đó kiểu hình trội về 4 tính trạng là 33,165%. Nếu khoảng cách di truyền giữa A và B 1à 20cM thì khoảng cách di truyền giữa D và e là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  Doctors are looking after the people who were serious injured in the accident.

• Choose the best answer for the following sentence:

  The contestant hit the target with _____________ great accuracy.

   

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

  rumor               unselfish                 number                   up

• Choose a word that has different stress pattern:

  brighten             friendship                  arrive              rumor

• Choose a word that has different stress pattern:

  acquaintance              unselfish                 enthusiasm              confidence

• Choose a word that has different stress pattern:

  benefit                 principle                 incapable                 constancy

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

  Jeff missed his first day of class due to the fact that he had overslept for several hours.
  
  

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

  Although cell phones have just been developed recently, they are now widespread.
  
  

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

  One of the reasons why John left for the city was that he wanted to find a good job.
  
  

• Choose a word that has different stress pattern:

  affect                appreciate                 attitude              acquaintance