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GyanMul Prep · NEB +2 · Science · Grade 12

Biology (Science, Grade 12)

Everything on these tabs is Biology (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

GyanMul Prep · NEB +2 · Science · Grade 12

Biology (Science, Grade 12)

Everything on these tabs is Biology (Science, Grade 12) only, within NEB +2 Science · Grade 12.

Science · Grade 12 subjects

Chapter 17 of 40 · Biology (Science, Grade 12)

Mutation

4 topics
Board exam — Genetics, 12 marks across 6 chapters
20 solved questions

Change in the message — point and frameshift mutations, structural and numerical chromosome changes, the syndromes each produces, and why mutation is both disease and raw material.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Gene mutation: point mutation and frameshift mutation
2Chromosomal mutation: structural and numerical
3Sickle cell anaemia, Down's syndrome, Turner's and Klinefelter's syndrome
4Mutagens and the significance of mutation