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Is tongue rolling a discontinuous trait? Can the percentage of non-rollers be determined from the provided image data?
Biology
ScanSolve AI Answer
a) No, there are generally no intermediates between rollers and non-rollers. Tongue rolling is considered a discontinuous trait, meaning individuals either possess the ability to roll their tongue or they do not.
b) The percentage of students who are non-rollers cannot be determined from the information provided. The question asks to count and record the number of rollers and non-rollers, but no such data is given in the image.
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