Question

Having an extra chromosome is called ___.

monosomy

karyotype

trisomy

extrasomy

Answer 1

Answer: Trisomy

Explanation: As of 2019 google states that trisomy is a condition in which an extra copy of a chromosome is present in the cell nuclei, causing developmental abnormalities.

Answer 2

Answer: Trisomy

Explanation: Trisomy is the condition of having an extra chromosome.