00:00How Finnish cats with a rare salmiak coat solved a genetic mystery?
00:05The cats looked almost like tuxedos at first.
00:08Dark faces.
00:10White chests.
00:12White paws.
00:13But their bodies carried a strange salt and pepper fade,
00:17with hairs that appeared darker near the root and lighter toward the tip.
00:22Finnish cat lovers called the pattern salmiak, after salty licorice.
00:26At first, researchers tested the usual suspects.
00:31Known white coat genes.
00:33Known spotting patterns.
00:36Known dilution variants.
00:39Nothing fit.
00:41Then scientists sequenced the cat's genomes and found the missing piece.
00:45Not inside the main coating part of the KIT gene, but downstream from it.
00:50A large deletion, about 95,000 DNA letters long, appeared to match the salmiak coat.
00:56The trait also seemed recessive, meaning, a kitten likely needs the variant from both parents to show the pattern.
01:03That is why the color can hide quietly in a population before suddenly appearing.
01:08The important correction is this.
01:11The cat did not break genetics.
01:14It expanded what scientists knew about cat color genetics.
01:18A coat that looked impossible turned out to have a real molecular explanation.
01:23And somewhere in Finland, a black and white house cat quietly reminded researchers
01:28that even familiar animals can still carry secrets in their DNA.
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