Cặp sinh đôi hình thành như thế nào?
Bằng phần mềm máy tính đặc biệt, người ta đã chụp ảnh liên tiếp (2 phút một lần) đối với 33 phôi đang lớn và lần đầu tiên ghi nhận được sự phát triển sớm của các phôi song sinh.
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