{"product_id":"extension-base-colour","title":"Extension, Chestnut or Sorrel","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #c739d2;\"\u003e DNA test\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eDNA test for the Extension gene that controls the production of black or red pigment throughout the coat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #c739d2;\"\u003e\u003cstrong\u003eSample\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e30 to 40 - hair roots - envelope\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003eor\u003c\/span\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e5 mL - blood - K3 EDTA tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #c739d2;\"\u003e\u003cstrong\u003eTurnaround time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 to 5  working days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: right;\"\u003e\u003cimg alt=\"\" src=\"\/\/cdn.shopify.com\/s\/files\/1\/2726\/7968\/files\/F_ISAG_MEMBER_small.jpg?v=1563820312\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #e8b80d;\"\u003e\u003cstrong\u003eWhy test?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"s1\"\u003eThe DNA testing for the Extension gene can be used to identify those black horses for which neither pedigree nor breeding records is informative for identifying carriers of the recessive red factor.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eSince red is inherited as a recessive trait, it is relatively easy to start up a breeding program that will produce only red horses. It has been more difficult to initiate a black breeding program as black (Ee) horses can produce red foals. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #00afab;\"\u003e\u003cstrong\u003eResults description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe DNA test for Extension gene verifies the base coat color and presents results as one of the following:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE\/E\u003c\/strong\u003e \u003cstrong\u003e- Dominant Homozygous for Extension - Black, Bay or Brown - Only the black facto\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003er\u003c\/strong\u003e is expressed. The horse can only transmit the (E) allele \u003c\/span\u003e\u003cspan\u003eE\/E \u003c\/span\u003e\u003cspan\u003eto it offspring. It cannot have foals with basic coat colour Chestnut or Sorrel foals regardless of the color of the mate. The Agouti gene will\u003c\/span\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003edetermine if the basic coat color will be black, bay or brown, unless modified by other color modifying genes. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE\/e\u003c\/strong\u003e - \u003cstrong\u003eHeterozygous for Extension - Black, Bay or Brown\u003c\/strong\u003e - \u003cspan\u003eBoth red and black factor are expressed. It can transmit either (E) or (e) allele to its offspring. The Agouti gene will determine if the basic coat color will be black, bay or brown, unless modified by other color modifying genes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ee\/e\u003c\/strong\u003e - \u003cstrong\u003eRecessive homozygous for Extension - Chestnut or Sorrel\u003c\/strong\u003e \u003cspan\u003e- Only the red pigment is expressed. The basic coat color is chestnut or sorrel unless modified by other color modifying genes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eAdditional information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eEquine coat color is built on one of two possible base pigments: red or black.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe Extension gene controls the production of this base pigment (red or black).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAll horses will have the genetics for black or red pigment, regardless of their physical appearance. There are a number of dilutions patterns and modifiers, which a horse can carry that affect the base pigment of a horse.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eThe Extension gene (red factor) has two alternative states (alleles). The dominant allele (E) produces black pigment in the coat. The recessive allele (e) produces red pigment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eRed horses (chestnuts, sorrels, palominos…) are homozygous, that is they have two alleles, for the recessive red allele (e\/e).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eBlack pigmented horses (black, bay, brown, buckskin…) have at least one (E) allele. They can be homozygous (E\/E) or heterozygous (E\/e).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eA horse that is homozygous (E\/E) will not produce red offspring, regardless of the color of the mate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e","brand":"Equigerminal","offers":[{"title":"Default Title","offer_id":29451057856556,"sku":"","price":43.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2726\/7968\/products\/Extension.png?v=1571095160","url":"https:\/\/www.equigerminal.org\/zh\/products\/extension-base-colour","provider":"Equigerminal","version":"1.0","type":"link"}