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Well yes, I don't disagree with you there. If you plant two seeds with identical DNA but only give one of them enough water and sunlight then of course they're
by Devilboy 17y ago
Well yes, I don't disagree with you there. If you plant two seeds with identical DNA but only give one of them enough water and sunlight then of course they're going to be different heights and weights after a few weeks. But you'll probably not find identical twin brothers where one becomes a NBA pro and the other a jockey.
- tokenadult 17y agoI should have jumped right in while posting my first comment to mention the pair of twins (tested for monozygosity, which no one would believe without testing) whose photograph appears in one edition of the Vogel-Motulsky textbook on human genetics. They are very discordant in height, and one is thin enough to be a horse-racing jockey (but maybe not strong enough for that) while the other is within the height range of professional basketball players, I think. People who read the literature on the subject find amazing examples (which serve as counterexamples to what people in the general public might guess) of all kinds of interesting phenomena of genetics.