Question

What is chromosomal mutation
​

Answer 1

ANSWER

Chromosome mutations or 'block' mutations occur as a result of errors in crossing over during meiosis. Chromosome mutations affect large segments of DNA containing many genes. There are four different types of chromosomal mutations: Deletions, Translocations, Duplications and Inversions (pictured below).

Answer 2

Answer:

• Chromosome mutations are the alterations in the chromosome structure or number
• Caused by errors in crossing over during meiosis
• Sometimes it may be lethal
• eg; turner's syndrome, down syndrome