[Arkinhallow]

Source and info checking dump:

- does not affect skin or eye colour // some skin depig
- melanin: burnt out until white? check this
- stages of grey: age and variation within age groups
- underlying coat colour
- base colour to "black" when greying early on
- health risks
- bloodmarks: het or hom linked, somatic vs cluster of fleabites? check this
- signs as foals (hyperpig, goggles, adult colour)

grey guide - need to cross reference for age and some minor details (flea bites?)
morgans
grey on palo
slow greying
hyperpigmentation
colour charts
modifiers grey
uc davis
welsh
grey comps
melanocytes
animal gen us
melanoma
melanoma het hom https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.10032482
greying stages 2
stx17
article
stx17 2