Expressivity depends on penetrance.(a) True(b) FalseI had been asked this question in a national level competition.I'd like to ask this question from Penetrance and Expressivity in section Regulating Gene Expression in Eukaryotes of Cytogenetics

Expressivity depends on penetrance.(a) True(b) FalseI had been asked t

1.	Expressivity depends on penetrance.(a) True(b) FalseI had been asked this question in a national level competition.I'd like to ask this question from Penetrance and Expressivity in section Regulating Gene Expression in Eukaryotes of Cytogenetics
Answer» The CORRECT choice is (a) True To explain I would say: PENETRANCE doesn’t depend on EXPRESSIVITY, i.e. it is considered penetrant for an individual even if the expressivity varies among individuals, but it is not possible to measure the expressivity UNLESS the GENE is penetrant. So the expressivity depends on penetrance.

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