The Scientist website has an article that summarizes research
with worms that appears to show that the experience of temperature
(an increased temp relative to usual) had an effect on the genome
which lasted several generations even though those generations
had not experienced the increased the temp increased.
The Scientist summary can be accessed here:

The original source article was published in Science and here
is the reference:
A. Klosin et al., "Transgenerational transmission of
environmental information in C. elegans," Science,
356:320-23, 2017.

Eventually, the genetic changes made by the temp change
disappears in later generations.

I can't wait to see how psychologists try to convert this into
a form that applies to humans even though it is unknown
if such changes occur in humans.  But don't be surprised
to see someone claim this as a defense in court to excuse
some crime (e.g., my great-great-great-great-great grandfather
was a pirate and the genes that made him a pirate made me
rob that person).

On a sidenote, is anyone else annoyed by the Ancestry
commercials for their genetic analysis product where
they confuse source of genetic materials with current
personal identity?  So, if one has 25% of their genetic
material in common with American Indians, does that
make them American Indian even if they have never
had any contact with other AmInd person or culture?
What would Elizabeth Warren say? ;-)

-Mike Palij
New York University

You are currently subscribed to tips as:
To unsubscribe click here:
or send a blank email to

Reply via email to