Access
This article is part of Nature's premium content.
Published online 24 April 2003 | Nature | doi:10.1038/news030421-7
News
What the double helix can't tell you
How can clones look completely different? Helen Pearson examines the biology beyond DNA.
Your life started with a kiss - between wriggling sperm and ripe egg. But as far as biologists know, nothing in the DNA from either partner determined where on the egg that smacker took place.
To read this story in full you will need to login or make a payment (see right).
Comments
Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email redesign@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.