Q1. Why do we consider tongue rolling as dominant and tongue not rolling as recessive?
What do we do in the case of ear wax type i.e Dry and wet? Which one should we consider dominant and recessive and why?
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Answer 1 :-
Popular belief holds that variation in this ability is the result of genetic inheritance. Rolling the tongue into a tube shape is often described as a dominant trait with simple Mendelian inheritance, and it is commonly referenced in introductory and genetic biology courses.
Answer 2 :-
Earwax seems to be inherited as a simple dominant or recessive Mendelian trait. Sticky appears to be dominant and Dry is recessive. If so, crosses between "Dry" individuals should produce only dry offspring while crosses between sticky and dry and sticky and sticky would be expected to give rise to both types.
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