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In a genetic study, 80 people were found to have alleles for polydactyly. Only 36 of them were polydactylous. What is the extent of penetrance percentage? _______
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- 15
- 30
- 45
- 60
Correct Option: C
Given, No. of polydactylous persons = 36
No. of people having the allele for polydactyly = 80
Therefore, the extent of penetrance in the population = 36/80 x 100 % = 45 %
