All Human Behavioral Traits are Heritable


JayMan's Blog

Edit, 1/3/13:[Post updated to reflect additional information provided in the comments. See below and see the comments.]

The time has come for a little reminder of the First Law of behavioral genetics. In my final post of 2012, I will discuss this extremely important law in depth. As we may recall from debates with creationists about the reality of evolution, scientific “laws” are comprehensive facts of nature that have the virtue of being able to be expressed in a few sentences, typically one or two. The three laws of behavioral genetics are no exception:

  1. First Law. All human behavioral traits are heritable.
  2. Second Law. The effect of being raised in the same family is smaller than the effect of genes.
  3. Third Law. A substantial portion of the variation in complex human behavioral traits is not accounted for by the effects of genes or families.

These laws…

View original post 3,225 more words

1. Be civil. 2. Be logical or fair. 3. Do not bore me.

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s