HIỆN TƯỢNG TIẾP HỢP VÀ TRAO ĐỔI CHÉO Ở KỲ ĐẦU CỦA GIẢM PHÂN a. Hiện tượng tiếp hợp vào trao đổi chéo xảy ra xảy ra giữa các NST kép khác cặp tương đồng : Đúng/ Sai? b. Là hiện tượng ngẫu nhiên, không xảy ra ở tất cả các cặp NST kép: Đúng/Sai? c. Tạo ra các loại giao tử khác nhau qua giảm phân: Đúng/Sai?

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