Archive: 18/11/2008

'Orphan' genes play an important role in evolution

Closely related animal species share most of their genes and look almost identical. However, minor morphological differences allow us to tell them apart. What is the genetic basis for these differences? Often, the explanation ...

dateNov 18, 2008 in
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A big bunch of tomatoes?

Why do poppies and sunflowers grow as a single flower per stalk while each stem of a tomato plant has several branches, each carrying flowers? In a new study, published in this week's issue of the open access journal PLoS ...

dateNov 18, 2008 in
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