Mutation, a sudden and heritable change in genetic material, was first discovered by Hugo de Vries. He described mutations while studying the evening primrose (
Oenothera lamarckiana) and laid the foundation for the mutation theory of evolution.
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90 Mins English English75 Questions300 Marks90 Mins English English20 Questions80 Marks24 Mins EnglishThis is the process of lignin binding with cellulose and hemicellulose in the cell wall, thereby reducing their digestibility:
The condition in which the individual possessing chromosome constitution of 2n − 1 is referred to as
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