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camtutramy
2 năm trước
Hãy nêu những diễn biến cơ bản của nhiễm sắc thể trong giảm phân 1 dẫn đến sự khác nhau về nguồn gốc và cấu trúc nhiễm sắc thể trong bộ nhiễm sắc thể đơn bội ở các giao tử
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Read the conversation between three students and choose the best answer. Write a letter (A- M) for each answer. You do not need to use all the letters. There is one example. Laura: (0)____________. I’m going back to Argentina soon. E Emily : (1)____________ Laura : Pretty soon. I’m going to miss all of you. Emily : Me, too. (2)______________ Laura : I’m going to see my family. What about you? Emily : (3)________________ Mel : Lucky you! Can I come, too? Emily and Laura : (4)_______________ Mel : Hello! You seem to be having a good time. Emily : (5)________________ Mel : Oh, I forgot! Congratulations on our passing the final exam! Laura : (6)________________ Emily : Great ideal! Mel, you are making a trip to London, right? Laura : (7)________________ Mel : I’d love to. (8)__________________ Laura : (9)________________ Mel : Yeah. I have an idea. We can celebrate now! Emily : (10)_______________ Laura : OK! Say “Cheese” everyone. A. What are you going to do in the summer? B. Why don’t we celebrate next week? C. I just watched TV. D. I know. Such a trip costs a lot. E. Oh, don’t say that. (Example) F. When are you leaving? G. Of course, we do. H. Would you like to see the captial? I. Oh, hi, Mel! J. Not bad! Let’s have a group photo. K. Oh, bye, Mel! L. But I need a little more money. M. Ryan and I are going to say with our cousin in Briston.

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