People are taller today than 100 years ago. But you don't see people arguing height is less heritable than we thought. Same with obesity.
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Replying to @JayMan471
@JayMan471@hbdchick both difference in height and in obesity obviously due to environment, possibly small genetic contribution to height1 reply 0 retweets 0 likes -
Replying to @Mangan150
@Mangan150@JayMan471 height is highly heritable (esp. in the modern west): http://www.scientificamerican.com/article/how-much-of-human-height/ …1 reply 1 retweet 0 likes -
Replying to @hbdchick
@hbdchick@JayMan471 yes but height difference from 100 years ago not mainly due to genetics2 replies 1 retweet 1 like
Replying to @Mangan150
@Mangan150 @JayMan471 yes, something about the environment must've changed (as jayman mentioned: http://takimag.com/article/unacceptably_fat_jim_goad/print#comment-1209919181 …). question is: what?
9:08 PM - 20 Jan 2014
1 reply
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