Sciencespeaking topic
Identical twins start with the same DNA, but as the years pass the on/off pattern of their genes diverges; different lives read their bodies differently. So they're born with the same book and different stories get written. Is what makes you you the code you inherit, or how you live it?
— twin studies / epigenetics
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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