Phát hiện kỳ lạ - cá mập sinh con không cần bố
Những con cá mập cái có thể tự thụ tinh cho trứng của mình và sinh con mà không cần tinh trùng của con đực, một nghiên cứu mới về hiện tượng sinh sản đơn tính của một con cá mập búa tại Mỹ cho biết.
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