"Тоза кардан" чӣ маъно дорад?
Ҳайвон мутатсияро намебарад. Он беморӣ инкишоф намеёбад ва онро намегузаронад.
Асп Варианти шоҳбулут E (тавассути e)
The Chestnut Variant E (Extension e) DNA test in horses is essential for breeders aiming to understand coat color genetics. This test identifies the presence of the Extension gene variant responsible for red-based chestnut coloring. By analyzing the Extension e allele, breeders can predict offspring coat colors more accurately and make informed breeding decisions. The Chestnut Variant E test is quick, reliable, and widely used in equine genetic testing. Understanding this gene helps maintain breed standards and enhances the value of your horse. For optimal breeding outcomes, include the Extension e DNA test in your genetic panel today. Accurate genetic insights lead to healthier, more vibrant chestnut horses.
Ихтисорот: extension e
Мутацияи таҳлилшуда: MC1R c.248C/T
Мерос: Автосомии рецессивӣ
Акроним
extension e
Басомади мушоҳидашуда
Таснифи клиникӣ
Хусусиятҳои марбут ба курта
Мутацияи таҳлилшуда
MC1R c.248C/T
p.(S83F)
p.(S83F)
Усули мерос
Автосомии рецессивӣ (пурра)
Alternate name:
E Locus
Хулосаи санҷиш:
The Chestnut Variant E (Extension e) in horses is a specific genetic marker that influences coat color. This variant affects the production of red pigment, resulting in chestnut or sorrel coat shades. Horses with the Extension e allele typically lack black pigment in their hair. DNA testing for this variant helps breeders predict and select desired coat colors. Understanding this gene is important for accurate breeding and color identification.
Аз баста дастрас аст: Standard
Ин санҷиши ДНК аз бастаи мо дохил карда шудааст Standard — ва инчунин як қисми бастаҳо мебошад Standard, Advanced, Complete.
Дидани бастаҳои санҷиши DNA →Бастаеро интихоб кунед, ки ба стратегияи парвариш ё саломатии ҳайвоноти шумо мувофиқат кунад.
Introduction to Chestnut Variant E (Extension e)
The Chestnut Variant E, also known as the extension e allele, is a genetic trait found in horses that influences coat color. This variant is crucial for understanding the inheritance patterns of chestnut coloration in equines. The extension gene is responsible for the production of red pigments in a horse's coat, and its presence or absence determines whether a horse will exhibit chestnut, bay, or black coloration.
Genetic Basis of Chestnut Variant E
The extension locus (E) is located on equine chromosome 3 and plays a significant role in the pigmentation of a horse's coat. The dominant allele 'E' allows for the production of eumelanin, which is responsible for black and bay coats. Conversely, the recessive allele 'e' inhibits eumelanin production, resulting in a chestnut coat. Horses with two copies of the 'e' allele (ee) will display a chestnut coat color, while those carrying at least one 'E' allele will not.
Phenotypic Expression
While the presence of the extension e allele predominantly results in a chestnut coat color, various phenotypic expressions can occur based on other interacting genes. Factors such as sabino, roan, or varnish patterns may alter the appearance of the coat, even in horses that test positive for the extension e variant. The intensity of the chestnut coloration can also vary, with some horses exhibiting a deep, rich chestnut and others presenting a lighter, more golden hue.
Муҳимияти санҷиши генетикӣ
DNA testing for the Chestnut Variant E is essential for breeders and owners who wish to understand and predict coat color inheritance in their horses. By knowing whether a horse carries the extension e allele, breeders can make informed decisions about pairings to achieve desired coat colors in future offspring. Additionally, genetic testing can help identify potential health implications associated with specific coat color traits, allowing for more responsible breeding practices.
Хулоса
The Chestnut Variant E (extension e) is a key genetic marker in the study of horse coat color inheritance. Understanding this variant not only aids in predicting coat color outcomes but also enhances the overall knowledge of equine genetics. As the field of equine genetics continues to evolve, DNA testing for the extension e allele remains a valuable tool for breeders and enthusiasts alike, contributing to the responsible breeding and management of horse populations.
Зоти барои санҷиш эътирофшуда: Варианти шоҳбулут E (тавассути e)
- Arab
- Belgian Draft
- Clydesdale
- Freiberger
- Icelandic Horse
- Morgan
- Quarter Horse
- Shetland Pony
- Standardbred
- Thoroughbred
- Warmblood
- Welsh Pony
🧬 Interpretation of genotypes extension e
Генотип
Статус
🟡 E/E
Non-carrier - No effect
🟡 E/e
Carrier - No effect
❌ e/e
Affected - Chestnut
Савол: Фаҳмидани тафсир
Оё "интиқолдиҳанда" ҷиддӣ аст?
Не. Ҳайвон умуман солим аст, аммо метавонад мутатсияро ба он интиқол диҳад насл.
Чӣ мешавад, агар ҳайвон "таъсир" шавад?
Он ду нусхаи мутатсияшуда дорад. Аломатҳои клиникӣ вобаста ба он интизор мешаванд беморӣ. Он набояд парвариш карда шавад.
Чаро байни мард / зан фарқият вуҷуд дорад?
Баъзе бемориҳо бо ҷинс алоқаманданд, аз ин рӯ ифодаи онҳо вобаста ба он фарқ мекунад ҷинси ҳайвон.
Пешгӯии насл
E/E (%d0%b8%d0%bd%d1%82%d0%b8%d2%9b%d0%be%d0%bb%d0%b4%d0%b8%d2%b3%d0%b0%d0%bd%d0%b4%d0%b0)
E/e (Интиқолдиҳанда)
e/e (Таъсирдида)
Саволҳо оид ба санҷиши ДНК
Ин санҷиши ДНК чиро муайян мекунад?
This DNA test detects the mutation associated with Chestnut Variant E (extension e) in order to identify clear, carrier, or at-risk animals.
Чаро ҳайвони наслгирандаро санҷидан лозим аст?
Санҷиши ДНК ба селексионерон кӯмак мекунад, ки ҷуфтҳои бехатарро ба нақша гиранд ва хатари интиқоли мутатсияро ба насл кам кунанд.
Усули мероси ин санҷиш чӣ гуна аст?
Усули мерос, ки барои ин санҷиш гузориш дода шудааст, аутосомал-рецессивӣ мебошад.
Дар ин озмоиш кадом мутация таҳлил карда мешавад?
This test analyses the mutation MC1R c.248C/T.
Оё ҳайвони интиқолдиҳанда ҳатман таъсир мерасонад?
На ҳатман. Тафсир аз шакли мерос ва генотипи натиҷавӣ вобаста аст.
Иқтибосҳо
Marklund L, Moller M J, Sandberg K, Andersson L. A missense mutation in the gene for melanocyte-stimulating hormone receptor (MC1R) is associated with the chestnut coat color in horses. Mamm Genome. 1996 Dec;7(12):895-9. doi: 10.1007/s003359900264.