The original question was: I heard on Discovery channel that the dewclaws that some dogs have are vestigial. I did research but can’t find a clear answer to why this is not so. Can you explain this, because especially dogs sometimes have dewclaws on their hind legs which serve no purpose because they don’t hit […]
Human hair is a useful design feature of the body.
TAILS & WHALES: As men have genes for tails and whales have genes for legs, surely we must have evolved?
Is this a whale of a tale? What genes do we really have?
What’s it for? Our Medical Biologist Dr Diane Eager tells us.