Nam giới sẽ không biến mất
ột số nhà khoa học từng lo ngại rằng nam giới sẽ tuyệt chủng trong khoảng 50.000 năm nữa vì nhiễm sắc thể Y thui chột dần. Nhưng một nghiên cứu gần đây cho thấy nhiễm sắc thể Y đang tiến hóa nhanh hơn phần còn lại của bộ gene người.>Cả loài người là sinh vật đột biếnỞ động vật có vú - trong đó có con người - tinh trùng quyết định giới tính của bào thai. Tế bào trứng luôn mang nhiễm sắc thể X, còn tinh trùng có thể mang nhiễm sắc thể X hoặc Y.
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