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A member asked:
What is the difference in chromosomal and gene mutations?
A doctor has provided 1 answer
8.6k genes on chrom: We have 20,000 genes on our 23 chromosomes. We have 2 copies of each chromosome except for the 23rd pair (X & Y in males and X & X in females). A gene mutation affects a single gene on one copy of one chromosome. A chromosomal abnormality affects many genes . It may be a 3rd copy or just a single copy of part/all of a chromosome or a 'translocation' can place part of a chromosome onto another.
Answered 6/1/2017
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