Question

Give an account of genetic disorders caused by abnormal chromosomal number.

Answer 1

Answer:

Down's syndrome or trisomy 21.

Edward's syndrome or trisomy 18.

Patau syndrome or trisomy 13.

Cri du chat syndrome or 5p minus syndrome (partial deletion of short arm of chromosome 5)

Wolf-Hirschhorn syndrome or deletion 4p syndrome.

Explanation:

the above are the disorders