Monday, March 21, 2011

Less is more...

particularly re penis spines.
New study from David Kingsley's group on the loss of cis-regulatory elements on the human lineage.
Most notable:
"One deletion removes a sensory vibrissae and penile spine enhancer from the human androgen receptor (AR) gene, a molecular change correlated with anatomical loss of androgen-dependent sensory vibrissae and penile spines in the human lineage"

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