Nickeisha of Golden Esperanza

prefix of Golden Esperanza · British Longhair · line: Marusya · the source records no eye colour · Variant known, this cat untested

Genealogy trace, one printable page carrying the proposed code

How this cat is connected to the trait

No recorded parent link joins this cat to a founder or to a tested animal. What the record rests on instead is the line recorded on it, Marusya, which is a source's attribution and not a descent this register can walk.

Save this cat as a PDF the connection, the genealogy and the source on one A4 landscape sheet, carrying this directory's name and address

The record

Register id

mar-50

Sex

female

Cattery prefix

of Golden Esperanza

Breed, as stated

British Longhair

Line

Marusya

Eye status

unknown: the source records no eye colour

Certificate wording

chocolate golden shaded

Role

ancestor

Relations named by the source

dam of Jasmin of Golden Esperanza

EMS code

BLH by 11

The code read out

British Longhair; chocolate golden; shaded

The description held

entered from the Jasmin of Golden Esperanza certificate. The variant of this line is DBE-Maru and two copies of it are not survivable on the evidence held. The allele is PAX3 XM_019838731.3:c.784C>T, a nonsense variant in the fifth exon that truncates the protein at p.(Arg262*) and removes 46 per cent of it. All 14 dominant blue eyed cats of the line tested are heterozygous. One homozygote is on record and it was an abnormal kitten, Dead at birth, out of two dominant blue eyed parents, genotyped T/T. It is recorded against every animal of the line because a breeder looks up an animal and not a line. What it means in practice: mating two carriers together is expected to lose the quarter of the litter that inherits two copies, and because those kittens do not survive to be counted, a breeder doing it may see only small litters and conclude nothing is wrong. It is a different and worse harm from the compound heterozygote this register documents elsewhere, which is white and deaf and which lives. No hearing data exists for any cat of this line, which the authors state explicitly, so nothing is said here about deafness in it either way. Source: Abitbol M, Eisele T and Lipovenko E, 'Additional PAX3 Variants for Dominant Blue Eyes in Cats', Animal Genetics 2026;57:e70199. S_PAX3_2026_236

Evidence grade

Reported asserted, with neither a test nor a traced descent

In the register

• Parents: DiamondBri Aleksandr, Airis Land Shaini
• Offspring recorded in this register; a cat may have others: Jasmin of Golden Esperanza

This directory is a working aid compiled from published charts, registry documents and breeder statements. It is not a register and it has no standing of any kind. The grade attaches to the animal, not to the line: a cat whose ancestor was genotyped is line-traced, not genotyped.