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Molecular Basis Of Inheritance

Question
CBSEENBI12003135
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Jumping genes in maize were discovered by

  • Hugo de Vries

  • Barbara McClintock

  • T H Morgan

  • Mendel

Solution

B.

Barbara McClintock

Barbara McClintock discovered  'Jumping genes' or 'movable genetic elements' in maize. These can move from one location to another on the chromosome.

R W Hedges and A E Jacob (1974) introduced the term 'transposon' to jumping genes.

Hugo de Vries introduced the term 'mutation'.

T H Morgan proposed the 'gene theory' and crossing over.

Gregor Johann Mendel (1822- 1884) is known as the 'Father of Genetics'. It leads to the formulation of laws of inheritance which was carried out by Mendel.

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