MadSci Network: Evolution

Subject: Will future Mars's colonists adapt to the new gravitational environment?

Date: Sun Jun 11 11:20:45 2000
Posted by Romain Gauderon
Grade level: grad (science) School: Swiss Federal Institute of Technology
City: Lausanne State/Province: No state entered. Country: Switzerland
Area of science: Evolution
ID: 960736845.Ev

I know that the long-term physiological effects of the lunar or martian 
gravitational environment are not currently known and that experiments 
aboard the International Space Station are planned, but I would like to know 
if you think that the first generation of humans (or animals, generally 
speaking) being born and raised in a lower-than-on-Earth gravitational field 
will consist in healthy individuals, perfectly adapted to their new 
environment (i.e. tall and slender-framed, but nevertheless healthy), or 
will they consist in abnormal individuals suffering from a collection of 
chronic bone and muscles diseases? In other words, will a new human 
subspecies appear spontaneously by a quasi-lamarckian process or there will 
be a slow darwinian evolution with many generations of abnormal and 
maladjusted individuals until their genes forget definitively their 
terrestrial origin and shape adapted beings to the new gravitational 
Thank you in advance,

Re: Will future Mars's colonists adapt to the new gravitational environment?

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