The Blotched Tabby Variant B1 (Ta b1) in cats is a unique genetic marker responsible for the distinctive swirled coat pattern seen in many domestic felines. DNA testing for the Ta b1 variant helps breeders and cat enthusiasts identify this specific blotched tabby gene, ensuring accurate pedigree records and selective breeding. Understanding the Blotched Tabby Variant B1 through a reliable DNA test can also aid in predicting coat patterns in kittens. This genetic insight is essential for maintaining breed standards and enhancing the beauty of tabby cats. If you want to learn more about your cat’s coat genetics, consider a comprehensive DNA test focused on the Ta b1 variant. Accurate identification of the Blotched Tabby Variant B1 supports responsible breeding and enriches your knowledge of feline genetics.
Abbreviation :Ta b1
Analysed mutation :LVRN c.682G>A
Inheritance :Autosomal Recessive
Acronym
Ta b1
Observed frequency
Normal
Clinical classification
Coat-Related Traits
Analysed mutation
LVRN c.682G>A p.(D228N)
Mode of inheritance
Autosomal Recessive
Alternate name:
T Locus
Test summary:
The Blotched Tabby Variant B1 (Ta b1) in cats is a specific genetic marker that influences coat pattern. This DNA test identifies the presence of the Ta b1 allele, which is responsible for the classic blotched or marbled tabby markings. Cats with this variant display bold, swirling patterns rather than the typical striped tabby look. Breeders use this test to predict and select for desired coat patterns in their cats. Understanding the Ta b1 variant helps in preserving breed standards and enhancing the aesthetic appeal of tabby cats.
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Introduction to Blotched Tabby Variant B1 (Ta b1)
The Blotched Tabby Variant B1 (Ta b1) is a genetic mutation that influences the coat pattern in cats, specifically affecting the appearance of tabby markings. This variant is part of a broader category of tabby patterns that includes classic, mackerel, and spotted tabbies, with the blotched pattern being characterized by large, swirling shapes on the cat's coat. Understanding this genetic variant is crucial for breeders and cat enthusiasts who aim to produce cats with specific aesthetic qualities.
Genetic Mechanism
The Ta b1 variant is caused by a mutation in the gene responsible for the tabby coat pattern, specifically affecting the distribution and expression of pigment in the fur. This genetic alteration results in the distinctive blotched markings that characterize the classic tabby look. The Ta b1 variant is inherited in an autosomal fashion, meaning that it can be passed down from parents to offspring regardless of the sex of the parent.
Phenotypic Characteristics
Cats exhibiting the Blotched Tabby Variant B1 display a unique coat pattern that is visually striking. The markings typically feature large, bold swirls that create a marbled effect across the body, with contrasting colors between the background and the markings. This pattern can vary in intensity and size, depending on individual genetic factors and environmental influences. The background color can range from light to dark shades, which further enhances the visibility of the blotched markings.
Importance of Genetic Testing
Genetic testing for the Blotched Tabby Variant B1 is essential for breeders who wish to understand and control the genetic outcomes of their breeding programs. By identifying whether a cat carries this variant, breeders can make informed decisions about pairings to achieve desired coat patterns in future litters. Additionally, knowledge of this genetic trait can also aid in the preservation of specific aesthetic qualities within cat populations.
Conclusion
The Blotched Tabby Variant B1 (Ta b1) represents an intriguing aspect of feline genetics, with significant implications for breeding and coat pattern expression. Understanding this variant not only enhances the appreciation of the tabby coat but also supports responsible breeding practices aimed at preserving and promoting desirable traits in cats. As genetic research continues, further insights into the complexities of feline coat patterns will undoubtedly emerge, enriching our knowledge of these beloved companions.
Breed recognized for the test : Blotched Tabby Variant B1 (Ta b1)
Abyssinian
Aegean
Alpine Lynx
Altai
American Bobtail
American Bobtail Longhair
American Bobtail Shorthair
American Burmese
American Curl
American Curl Longhair
American Curl Shorthair
American Fold Longhair
American Fold Shorthair
American Keuda
American Longhair
American Lynx
American Miniature Cat
American Polydactyl
American Ringtail
American Shorthair
American Straight Long Hair
American Straight Shorthair
American Wirehair
Anatoli
Aphrodite
Aphrodite Giant
Aphrodite's Giant Longhair
Aphrodite's Giant Shorthair
Arabian Mau
Asian
Asian Leopard Cat
Asian Longhair
Asian Semi-longhair
Asian Shorthair
Australian Bombay
Australian Mist
Aztec
Balinese
Bambino
Bambino Curl
BamBob
Bengal
Bengal Longhair
Birman
Bobcat
Bohemian Rex
Bombay
Bramble
Brazilian Shorthair
Bristol
British Ice Longhair
British Ice Shorthair
British Longhair
British Shorthair
Burmese
Burmese European
Burmese Longhair
Burmilla
Burmilla Longhair
Burmilla Shorthair
California Spangled
California Toyger
Californian Rex
Canadian Feral Cat
Canadian Sphynx
Caracal
Celtic
Celtic Shorthair
Ceylon
Chantilly-Tiffany
Chartreux
Chausie
Chinchilla Longhair
Chinese Harlequin
Chinese Li Hua
Chinese Tank Cat
Classicat
Colorpoint Shorthair
Companion Cat
Copper
Cornish Rex
Cornish Rex Longhair
Curly Tail Cat
Cymric
Cyprus
Desert Lynx
Deutsch Langhaar
Devon Rex
Domestic Longhair
Domestic medium-haired
Domestic Shorthair
Don Sphynx
Donskoy
Dossow
Dragon Li
Dwelf
Egyptian Mau
Elf
European
European Burmese
European Shorthair
Exotic
Exotic Shorthair
Experimental
Fishing Cat
Foldex
Foreign White
Foreign White Longhair
Foreign White Shorthair
Gao Taem
Genetta
Geoffroy's Cat
German Longhair
German Rex
Havana
Havana Brown
Hemingway Curl
Hibernian Lynx
Highland Fold
Highland Lynx
Highland Straight
Highlander
Highlander Longhair
Highlander Shorthair
Himalayan
House Cat Longhair
House Cat Shorthair
Household Pet
Household Pet Kitten
Household Pet Longhair
Household Pet Shorthair
Isle of Man Longhair
Isle of Man Shorthair
Jaguarette
Jaguarundi Curl
Japanese Bobtail
Japanese Bobtail Longhair
Japanese Bobtail Shorthair
Japanese domestic
Javanese
Jungala
Jungle Cat
Jungle Curl
Jungle Lynx
Junglebob
Kanaani
Karelian Bobtail
Karelian Bobtail Longhair
Khao Manee
Khaomanee
Kinkalow
Korat
Korean Bobtail
Korn Ja
Kurilian Bobtail
Kurilian Bobtail Longhair
Kurilian Bobtail Shorthair
Lambkin
LaPerm
LaPerm Longhair
LaPerm Shorthair
Lykoi
Maine Coon
Maine Coon Polydactyl
Manx
Manx Longhair
Manx Shorthair
Me-kong Bobtail
Meerkat
Mekong Bobtail
Minskin
Minuet
Minuet Longhair
Mixed Breed
Mohave Bob
Mojave Spotted
Mokave Jag Cat
Mountain Bob
Munchkin
Munchkin Longhair
Napoleon
Nebelung
Neva Masquerade
Niebelung
Non Recognized Hairless
Non Recognized Longhair
Non Recognized Shorthair
Norwegian Forest Cat
Ocicat
Ojos Azules
Oregon Rex (extinct)
Oriental
Oriental Bicolor
Oriental Longhair
Oriental Shorthair
Original Longhair
Owyhee Bob
Pantherette
Persian
Peterbald
Pharaoh
Pixiebob
Pixiebob Longhair
Puppykat
Raas
Ragamuffin
Ragdoll
Ruffle
Russian
Russian Black
Russian Blue
Russian Tabby
Russian White
Rusty Spotted Cat
Sacred Birman
Safari
Sam Sawet
Sashkin Rex
Savannah
Scottish Fold
Scottish Fold Longhair
Scottish Longhair
Scottish Shorthair
Scottish Straight
Scottish Straight Longhair
Selkirk Rex
Selkirk Rex Longhair
Selkirk Rex Shorthair
Selkirk Straight
Serengeti
Serrade Petit
Serval
Siamese
Siamese Longhair
Siberian
Singapura
Skookum
Snowbob
Snowshoe
Sokoke
Somali
Sphynx
Suffolk
Suphalak
Tennessee Bobtail
Tennessee Rex
Thai
Thai Blue Point
Thai Lilac
Thai Lilac Point
Tiffanie
Tigrette
Tonkinese
Tonkinese Longhair
Tonkinese Shorthair
Toybob
Toyger
Traditional Siamese
Transylvanian
Tundra
Turkish Angora
Turkish Van
Turkish Vankedisi
Ukrainian Levkoy
Unknown
Ural Rex
Ural Rex Longhair
Vienna Woods
Viverral
York Chocolate
Interpretation of genotypesGenotypeStatusLearn more about the interpretation of genotypesFAQ: understanding the interpretation of resultWhat does “Clear” mean?The animal does not carry the mutation. It will not develop the disease and will not pass it on.Is a “Carrier” serious?No. The animal is generally healthy but can transmit the mutation to its offspring.What if an animal is “Affected”?It carries two mutated copies. Clinical signs are expected depending on the disease. It should not be bred.Why are there differences between male / female?Some diseases are sex-linked, so their expression varies depending on the animal’s sex.The animal has two normal copies of the gene. No risk of developing or transmitting the disease.Heterozygous carrier: one mutated copy. The animal is usually not clinically affected but can pass the mutation to offspring.Male carrier or affected depending on the inheritance mode. Males have only one X or Y chromosome.Heterozygous female carrier: one mutated copy. She can pass the mutation on and may sometimes show mild clinical signs depending on the condition.Two mutated copies of the gene. The animal is at risk of developing the associated condition.
🧬 Interpretation of genotypesTa b1
Genotype
Status
🟡 TB/TB
Non-carrier - No effect
🟡 TB/tb1
Carrier - No effect
❌ tb1/tb1
Affected - Blotched Tabby
FAQ: understanding the interpretation
What does “Clear” mean?
The animal does not carry the mutation. It will not develop the disease
and will not pass it on.
Is a “Carrier” serious?
No. The animal is generally healthy but can transmit the mutation to its
offspring.
What if an animal is “Affected”?
It carries two mutated copies. Clinical signs are expected depending on
the disease. It should not be bred.
Why are there differences between male / female?
Some diseases are sex-linked, so their expression varies depending on the
animal’s sex.
Genotype Forecast for OffspringMotherFatherNon-carrierCarrierAffectedFavorable cross: majorityCarrier riskis predominant.Majority affectedFilter by mother's genotypeFilter by father's genotypeAllPredict OffspringThe animal has two normal copies of the gene. No risk of developing or transmitting the disease.Heterozygous carrier: one mutated copy. The animal is usually not clinically affected but can pass the mutation to offspring.Male carrier or affected depending on the inheritance mode. Males have only one X or Y chromosome.Heterozygous female carrier: one mutated copy. She can pass the mutation on and may sometimes show mild clinical signs depending on the condition.Two mutated copies of the gene. The animal is at risk of developing the associated condition.
Predict Offspring
TB/TB (Non-carrier)
TB/tb1 (Carrier)
tb1/tb1 (Affected)
DNA Test FAQ
What does this DNA test detect?
This DNA test detects the mutation associated with Blotched Tabby Variant B1 (Ta b1) in order to identify clear, carrier, or at-risk animals.
Why test a breeding animal?
DNA testing helps breeders plan safer matings and reduce the risk of transmitting the mutation to offspring.
What is the inheritance mode of this test?
The inheritance mode reported for this test is Autosomal Recessive.
Which mutation is analysed in this test?
This test analyses the mutation LVRN c.682G>A.
Is a carrier animal necessarily affected?
Not necessarily. Interpretation depends on the inheritance pattern and the resulting genotype.
References
Kaelin Christopher B, Xu Xiao, Hong Lewis Z, David Victor A, McGowan Kelly A, SchmidtKüntzel Anne, Roelke Melody E, Pino Javier, Pontius Joan, Cooper Gregory M, Manuel Hermogenes, Swanson William F, Marker Laurie, Harper Cindy K, van Dyk Ann, Yue Bisong, Mullikin James C, Warren Wesley C, Eizirik Eduardo, Kos Lidia, O'Brien Stephen J, Barsh Gregory S, MenottiRaymond Marilyn. Specifying and sustaining pigmentation patterns in domestic and wild cats. Science. 2012 Sep 21;337(6101):1536-41. doi: 10.1126/science.1220893.
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