Scientists have discovered that 78 genes separate men from women, among them the sperm producing gene and the “master switch” that makes a baby a boy. But what other genes separates us? Here are some suggestions from BBC News Online readers.

Women put things on the bottom stair to take up next time she has to go upstairs. Men just step over them until told to pick them up
Karen Kelsey, UK

Women can use sex to get what they want. Men cannot, as sex is what they want.
Eoin Dempsey, Ireland

When faced with flat-pack furniture, men never read the manual. Yet they spend hours reading manuals for cars or bikes they will never own.
Linda, UK

If you told a woman that you had just returned from a trip to the surface of the Moon, she would show her interest by asking who you had gone with.
Howard, UK

Men have the capacity to sleep through most sounds, whether it is a baby crying, dog barking, or doorbell ringing.
Val Soanes

Men have a gene which makes them blissfully unaware of impending emotional outbursts, but which sometimes backfires resulting in the registering of physical pain.
Gary, UK

Women can smell old trainers at 100ft, men have to hold them to their nose.
Sally, UK

Women pee together. Men do not acknowledge, let alone speak, to each other when peeing.
Angus, London

Women know that washing machines have programmes for every kind of fabric, colour and quantity and use them appropriately. Men will put a months supply of laundry through the 40 degree cycle (safest guess), regardless of any other detail.
Janine MacLean, UK

Women have the ability to brain dump their entire day when they get home - men can only remember that it went OK
Bob Findlay, Ireland

Read the rest at “What are the 78 differences between women and men?”