jgina -gin- gismu

x1 is a gene of creature [or locus on creature] x2 determining trait/process x3.

Also chromosome = (gincilta, ginpoi). See also cerda.

In notes:

cerda
x1 is an heir to/is to inherit x2 (object/quality) from x3 according to rule x4.
gincilta
x1 is a chromosome containing gene/locus x2 of species x3.
selcedyske
x1 is genetics based on methodology x2.
daunrepa
x1 has Down syndrome (trisomy 21), subtype x2