O que significa “Limpar”?
O animal não carrega a mutação. Não desenvolverá a doença e não vai passar adiante.
Cachorro Máscara Melanística Negra (Em)
The Black Melanistic Mask (Em) DNA test in dogs is essential for breeders and pet owners aiming to understand coat color genetics. This test identifies the presence of the Em allele, responsible for the distinctive black mask pattern on a dog's face. Knowing a dog's Em status helps predict coat appearance and supports responsible breeding decisions. Accurate DNA testing ensures clarity in genetic traits, reducing unexpected coat color outcomes. Whether for show dogs or companions, the Black Melanistic Mask test enhances knowledge of your pet’s unique genetics. Trust certified labs for reliable and fast results. Stay informed and celebrate your dog’s natural beauty with this vital genetic test.
Abreviatura: Em
Mutação analisada: MC1R c.790A>G
Herança: Autossômico Dominante
Acrônimo
Em
Frequência observada
Classificação clínica
Características relacionadas à pelagem
Mutação analisada
MC1R c.790A>G
p.(M264V)
p.(M264V)
Modo de herança
Autossômico Dominante
Nome alternativo:
E Locus
Resumo do teste:
The Black Melanistic Mask (Em) is a genetic trait in dogs that causes a dark mask of pigmentation on the face. A DNA test for the Em gene helps determine if a dog carries this dominant allele. Dogs with the Em gene typically display a black or dark-colored mask regardless of their overall coat color. This test is useful for breeders aiming to predict or select for specific coat patterns. Understanding the Em gene can also aid in identifying breed characteristics and lineage.
Disponível no pacote: Standard
Este teste de DNA está incluído a partir do nosso pacote Standard - e também faz parte dos packs Standard, Advanced, Complete.
Ver pacotes de teste de DNA →Escolha o pack que melhor se adapta à sua estratégia de criação ou saúde dos seus animais.
Understanding Black Melanistic Mask (Em) in Dogs
The Black Melanistic Mask (Em) is a fascinating genetic trait observed in dogs, characterized by a distinct dark coloration on the face and muzzle. This trait can add both aesthetic appeal and a unique identity to various dog breeds. The presence of the melanistic mask is due to specific genetic factors that influence pigmentation in canine fur.
Genetic Basis of the Black Melanistic Mask
The genetic foundation of the Black Melanistic Mask is primarily linked to variations in the MC1R gene, which plays a crucial role in determining the color of an animal's fur. In dogs, mutations in this gene can lead to the expression of darker pigmentation in certain areas, particularly the face. The Em allele is responsible for the development of this striking mask, which can range from a subtle shading to a pronounced, deep black appearance.
Phenotypic Expression and Variability
The expression of the Black Melanistic Mask can vary significantly among individual dogs. Factors such as age, environmental conditions, and overall health can influence how pronounced the mask appears. Puppies may exhibit different levels of pigmentation as they mature, with the mask becoming more defined over time. Additionally, the mask can be influenced by other coat color patterns, leading to a diverse range of appearances across different dogs.
Implications for Breeders and Owners
For breeders and dog owners, understanding the genetics of the Black Melanistic Mask is essential. This knowledge can guide breeding decisions to promote desirable traits within specific breeds. Moreover, recognizing the importance of genetic diversity can help prevent health issues associated with inbreeding. Owners of dogs with this trait often take pride in their pet's unique appearance, contributing to the dog's overall charm and character.
Conclusão
The Black Melanistic Mask (Em) in dogs is an intriguing genetic trait that enhances the beauty and individuality of canine companions. By delving into its genetic underpinnings and phenotypic expressions, breeders and owners can appreciate the complexity of dog coloration and make informed decisions regarding breeding and care. Understanding this trait not only enriches the experience of dog ownership but also highlights the diverse genetic tapestry that exists within the canine population.
Raça reconhecida para o teste: Máscara Melanística Negra (Em)
- Belgian Shepherd Dog
- Leonberger
- Malinois
🧬 Interpretation of genotypes Em
Genótipo
Status
🟡 E/E
Não portador – Sem efeito
🟡 E/Em
Carrier - Melanistic Mask
❌ Em/Em
Affected - Melanistic Mask
FAQ: entendendo a interpretação
Um “transportador” é sério?
Não. O animal é geralmente saudável, mas pode transmitir a mutação ao seu descendência.
E se um animal for “afetado”?
Ele carrega duas cópias mutadas. Os sinais clínicos são esperados dependendo a doença. Não deveria ser criado.
Por que existem diferenças entre homem/mulher?
Algumas doenças estão ligadas ao sexo, pelo que a sua expressão varia dependendo do sexo do animal.
Prever descendência
E/E (nao-portador)
E/Em (Operadora)
Em/Em (Afetado)
Perguntas frequentes sobre testes de DNA
O que este teste de DNA detecta?
This DNA test detects the mutation associated with Black Melanistic Mask (Em) in order to identify clear, carrier, or at-risk animals.
Por que testar um animal reprodutor?
Os testes de DNA ajudam os criadores a planejar acasalamentos mais seguros e a reduzir o risco de transmissão da mutação aos descendentes.
Qual é o modo de herança deste teste?
O modo de herança relatado para este teste é Autossômico Dominante.
Qual mutação é analisada neste teste?
This test analyses the mutation MC1R c.790A>G.
Um animal portador é necessariamente afetado?
Não necessariamente. A interpretação depende do padrão de herança e do genótipo resultante.
Referências
Schmutz S M, Berryere T G, Ellinwood N M, Kerns J A, Barsh G S. MC1R studies in dogs with melanistic mask or brindle patterns. J Hered. 2003 Jan-Feb;94(1):69-73. doi: 10.1093/jhered/esg014.