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Biology, 28.11.2020 14:00 ayoismeisalex

Some people can roll the tongue into a tube shape, while others cannot. Practicing is not likely to help because tongue-rolling is an inherited trait. The allele for rolling the tongue (R) is dominant to the allele for not being able to roll the tongue (r). Create a Punnett square. Make sure that it shows a cross between two parents with at least one R allele.

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