Word: newt
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Dates: during 1920-1929
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Kammerer's chief experiments have been on fire salamanders with black and yellow spots. When taken from their natural habitat to yellow soil, they gradually lost their black color, and their offspring were all yellow. Kammerer also grew eyes in the sightless newt, which requires no eyes because it lives in greenish water depths. These results have been called in question by many biologists who claim that they are not instances of true inheritance, but merely of nutritive or chemical influences on the germ cells, the possibility of which is readily admitted...
Professor Kammerer-who grew eyes on a sightless newt...