Biology · Genetics
Cri-du-chat syndrome is a genetic disorder caused by:
- 1Mutation of a gene on the Y-chromosome
- 2Thyroid hormonal imbalance during development
- 3Trisomy of the 21st chromosome
- 4Deletion of a part of the short arm of chromosome number 5✓
Correct answer
Deletion of a part of the short arm of chromosome number 5
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