AIIMS2018Botany-Genetics

AIIMS 2018 Botany DNA Fingerprinting MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following is incorrect about DNA finger printing?

A

It is not inherited from parents to offspring

B

Show high degree of polymorphism

C

It is used to detect sex during fetal development

D

It is used in medico - legal suits

Correct Answer

Option C

Detailed Explanation

Option C is correct because DNA fingerprinting is not used to determine the sex of a fetus; instead, techniques such as amniocentesis or chorionic villus sampling (CVS) are employed for that purpose. In contrast, option A is incorrect because DNA fingerprints are indeed inherited from parents to offspring, reflecting genetic variations. Option B is also incorrect as DNA fingerprinting demonstrates a high degree of polymorphism, which is essential for distinguishing between individuals. Lastly, option D is accurate since DNA fingerprinting is widely utilized in medico-legal cases for identification purposes.

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