Monty

How this cat connects, or does not connect, to an identified dominant blue eye variant. Generated from the register at build time.

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The animal

Register id

zoj-08

Proposed variant field

DBE 163p (proposed coding, not issued by any registry)

Breed

British (Shorthair or Longhair, coat not stated)

Coat and code

BRI by 11 63

Eye state

odd-variant — one blue eye, put down to a DBE variant or its line

Sex

male

Born

not recorded

What the proposed field says, and why it reads that way. The variant is attributed to this animal from the record rather than from a result on it. The scheme is set out in full in the proposal. No registry issues this field today: it is computed from this cat's record at each build, so it changes by itself the day a laboratory result is entered, and nothing here has to be reissued.

What the register holds

Evidence grade

Lineage genotyped — not tested. THE VARIANT IS FIXED BY A DNA GENOTYPE IN A PARENT OR AN OFFSPRING, and only one variant sits in the ancestry, so which variant this animal carries is settled without a sample of its own

Variant

DBE-ALT

The trace

No descent is traced above this cat, and no descendant of it is held. The register holds no chain of recorded parentage from this animal upwards to the head of a line, and nothing below it either. Where a cat appears under a line without such a chain, the line name rests on a source that asserts it rather than on parentage the register can follow.

Recorded ancestry, 4 generations

What this page does not establish

This cat has a laboratory result. The grade above says which kind.

This is not a health certificate. It says nothing about hearing, and nothing about whether this cat should be bred from. Deafness in this trait is associated with carrying two different variants at once, which no pedigree can show and only a test can.

What would change this page

This directory is built from what people send it. For this cat it does not hold:

• a photograph, which settles an eye colour and the extent of any white far better than a code does
• a registry or club issued pedigree reaching further back, because the chain held here stops before a founder

Sending a pedigree, a photograph or a test result. A pedigree has to be one a registry or club issued, because that is the only document that settles a parent; a breeder chart is welcome but is recorded at a lower grade and cannot draw a descent. The contact page says what to send and how. A correction is as welcome as an addition: where this page is wrong about your cat, the record is changed and the source you supply is named on it.