asked 151k views
4 votes
Which feature of a human is controlled by genes only

2 Answers

3 votes
I think tongue curling
answered
User Robisrob
by
7.9k points
3 votes
Interlocking fingers. Interlock fingers. ...
Ear lobes. ...
Widow's peak. ...
Tongue curling. ...
Hitch hiker's thumb. ...
Pigmented iris. ...
PTC tasting.
answered
User John Resig
by
7.5k points

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