Chromatin is the mass of DNA molecules which is undistinguishable however chromatids are part of a chromosome attached with a centromere. Also, chromatin is the DNA before it coils and chromatid are the things that contains the DNA.
If pink produces flowers are pp then pp*pp will give you 100% pink flowers but judging by the covered up problem it’s red and white flower so your best bet with be recessive trails because little p would stand for pink
So rr*ww would give you pink because red and white make pink
Its best adapted for the desert.
Goodluck