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From Blue Whales to Earthworms, a Common Mechanism Gives Shape to Living Beings


Science & Tech  (tags: developmental biology, genetics, HOX genes )

Myron
- 1008 days ago - sciencedaily.com
Why don't our arms grow from the middle of our bodies? Vertebrae, limbs, ribs, tailbone ... in only two days, all these elements take their place in the embryo, in the right spot and with the precision of a Swiss watch.



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Comments

Naoko I. (261)
Monday October 17, 2011, 7:23 am
Biology is my favourite subject !
 

Roger Garin-michaud (61)
Monday October 17, 2011, 12:54 pm
noted, thanks !
 

Elle B. (81)
Monday October 17, 2011, 2:09 pm
Thank-you! Fascinating.
 

Dave C. (211)
Monday October 17, 2011, 2:18 pm
fascinating!
 

Jo Asprec (0)
Monday October 17, 2011, 5:55 pm
Our bodies are amazing!
 

Sue M. (0)
Tuesday October 18, 2011, 9:28 am
noted
 

Pamela K. (13)
Tuesday October 18, 2011, 12:41 pm
Fascinating! THanks!
 

Jane H. (127)
Tuesday October 18, 2011, 2:49 pm
The more one learns the more miraculus and mysterious life becomes!
 

Nelson Baker (0)
Tuesday October 18, 2011, 5:35 pm
Nature never ceases to amaze.
 

Fred Krohn (34)
Tuesday October 18, 2011, 6:10 pm
Evidence that evolution is at least part 'right' and should be taught in science class as theory to teach scientific method. Also evidence that creationism should be taught in religious class (sunday school or equivalent) and be encountered in history class, because it still looks like some outside influence helped life on earth along in its development. No absolute proof in either direction, as usual. Fun seeing how we all start out and how the Jacquard loom of our development works.
 

Myron Scott (70)
Tuesday October 18, 2011, 7:03 pm
Jacquard loom is an interesting analogy.
 

Ruth S. (314)
Wednesday October 19, 2011, 6:51 am
God is great, he is the real engineer!!
 

Brenda Towers (0)
Wednesday October 19, 2011, 6:56 am
Noted. When will we learn that we are all a miracle of creation, and that this world is very precious? We spend too much time and effort hoping for special planets in the universe, when we already inhabit this wonderful one!
 

A Weber (27)
Wednesday October 19, 2011, 10:02 am
Very interesting.

ty
 
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