Identify the type of chromosomal abnormality described below. a person has a missing copy of x chromosome. a baby has an extra copy of chromosome 18. a fetus is found to have four copy’s of chromosome 1.

1. aneuploidy

2. trisomy

3. polysomy

ExIdentify the type of chromosomal abnormality described below.

✔ aneuploidy

A person has a missing copy of the X chromosome.

✔ trisomy

A baby has an extra copy of chromosome 18.      

✔ polysomy

A fetus is found to have four copies of chromosome 1.planation:

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