in Molecular Basis of Inheritance by

1 Answer

0 votes

Gene mutation is a heritable change within a single gene or its controlling elements. It may be spontaneous or induced.

  1. Spontaneous gene mutation arises in the absence of any definite cause.
  2. Induced gene mutation arises due to the mutagens which are the agents responsible for mutations.
Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.