Question

when you examine
the chromosomes
circled, which
abnormality is
indicated?
19 20 21 22 23
monosomy 23
monosomy 21
trisomy 20
trisomy 23

Explanation:

Monosomy is a condition where there is a missing chromosome in a pair. In the image, chromosome 23 has only one chromosome instead of the usual pair. Trisomy would mean there are three chromosomes in a set. Since chromosome 23 has one instead of two, it is monosomy 23.

Answer:

monosomy 23