Question

Can someone explain to me why I don't understand?

Answer 1

Explanation:

1) Chromosomal Abnormality is an extra chromosome at 18

Gender is Male because chromosome 23 has one X chromosome and one Y chromosome.

Disorder name is Edwards Syndrome

2) Chromosomal Abnormality is an extra chromosome at 21

Gender is Female because chromosome 23 has two X chromosomes

Disorder name is Down Syndrome