NEET Botany Molecular Basis of Inheritance Questions Solved

NEET - 2015

Satellite DNA is important because it

(a) codes for protiens needed in cell cycle

(b) shows high degree of polymorphism in population and also the same degree of polymorphism in an individual, which is heritable from parents to children

(c) does not code for protiens and is same in all members of the population

(d) codes for enzymes needed for DNA replication.

Satellite DNA forms the minor peak after centrifugation of DNA. These are repetitive DNA sequences that do not code for any protien. They show high degree of polymorphism and heritable from parents to children, thus form the basis of DNA fingerprinting.

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