De or het genotypering?

The correct Dutch article is:

de genotypering

Rule Words ending in -ing: almost always de. See the rule

How to use genotypering

the genotyperingde genotypering
this genotyperingdeze genotypering
that genotyperingdie genotypering
our genotyperingonze genotypering
your genotyperingjouw genotypering
every genotyperingelke genotypering
which genotypering?welke genotypering?
a big genotypering / the big genotyperingeen grote genotypering, de grote genotypering