The Y chromosome, carried by roughly half of a man’s sperm, dictates whether a child will be male or female.
If the Y chromosome is present, a child will develop into a boy, whereas a lack of this strand of DNA will result in a girl.
Now scientists think the Y chromosome may disappear in less that five million years, leaving the future of men on planet Earth uncertain.
In an article for The Conversation, Dr Peter Ellis and professor Darren Griffin from the University of Kent discuss the implications of this genetic shift.
FOLLOW THE LINK FOR THE FULL REPORT – JR