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Comment
. 2008 Mar;6(3):e77.
doi: 10.1371/journal.pbio.0060077. Epub 2008 Mar 18.

For mammals, loss of yolk and gain of milk went hand in hand

Richard Robinson
Comment

For mammals, loss of yolk and gain of milk went hand in hand

Richard Robinson. PLoS Biol. 2008 Mar.
No abstract available

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Figures

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The emergence of alternative nourishment resources (lactation and placentation) during mammalian evolution set the stage for mammals' progressive loss of egg yolk nourishment (as a consequence of the loss of egg yolk genes).
(Photo: Rasmus Kaessmann. http://www.kaessmannphotography.com/)
See this image and copyright information in PMC

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