please tell question. no. 11 and 12
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When buccal swabs are taken, cells are collected from the inside cheek or mouth using a long cotton swab. While there are different types ofDNA tests, buccal cheek swabs are used rather than blood samples because they are easier to collect, non-invasive, painless, and easier to ship.
hope you understand
its significance:-
#DNA copying is essential part of reproduction because it ensures that same blueprint of the body design is maintained.
#variation for the species is beneficial for adaptation and better survival. It may result in new species formation
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