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What is Tongue Rolling Gene Study Results about?

A study was conducted with 90 students from Southwest Career and Technical Academy to determine the percentage that could roll their tongues versus not roll their tongues. The null hypothesis was that 30 students would have two dominant alleles, 30 would have one dominant and one recessive allele, and 30 would have two recessive alleles. Data collectors surveyed 45 girls and 45 boys and recorded whether they could roll their tongues or not. Analysis found that 25% had two dominant alleles, 45% had one of ea

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api-287114090

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EN