chromosomal mutation
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
A change in the structure or number of chromosomes in an organism's cells.
Test yourself
Which word fits the gap? "A _____ can sometimes explain why two siblings look so different despite sharing parents."
Answer: chromosomal mutation
In your own words, what does "chromosomal mutation" mean?
A change in the structure or number of chromosomes in an organism's cells.
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