Karyotyping is used to:
study chromosomes.
treat Down syndrome.
repair chromosomes.
diagnose genetic diseases.
Answer:
D
Explanation:
I t would be different because she would of only did it once so not really an investigation
The word that goes on to the gap is "cells"
Hope it helped!
<span>Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans.</span>