{"id":21486,"date":"2024-03-17T07:03:50","date_gmt":"2024-03-17T07:03:50","guid":{"rendered":"https:\/\/www.rhesusnegative.net\/staynegative\/?p=21486"},"modified":"2024-03-17T08:14:22","modified_gmt":"2024-03-17T08:14:22","slug":"where-does-rh-negative-blood-come-from","status":"publish","type":"post","link":"https:\/\/www.rhesusnegative.net\/staynegative\/where-does-rh-negative-blood-come-from\/","title":{"rendered":"Where does Rh negative blood come from?"},"content":{"rendered":"<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/static.hupso.com\/share\/buttons\/share-medium.png?w=640&#038;ssl=1\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"Where does Rh negative blood come from?\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>\n<p>Rh- blood is the result of a gene deletion.<\/p>\n\n\n\n<p>The gene in question is the D antigen from the Rhesus Blood Group System<\/p>\n\n\n\n<p>There are many blood group systems and the 2 most important ones are the ABO Blood Group System and the Rhesus Blood Group System <\/p>\n\n\n\n<p>There are more than 50 antigens that are known of in the Rhesus Blood Group System and the D antigen is the most important one as its impact on pregnancies is the most significant <\/p>\n\n\n\n<p>Being Rh- means being D negative, meaning: you test negative for the presence of the D antigen.<\/p>\n\n\n\n<p>If the D antigen is missing, you are Rh- negative<\/p>\n\n\n\n<p>If all antigens are missing, you are Rh null, which is extremely rare.<\/p>\n\n\n\n<p>Less than 50 individuals known of world-wide are Rh null, though the actual number of those who are Rh null, yet are unaware of it, might be significantly higher.<\/p>\n\n\n\n<p>According to a 1950s paper from A.E. Mourant, a scientist expressed his thoughts, that Rh negative blood first originated around 50,000 years ago in the area now Southwest France<\/p>\n\n\n\n<p>He believed that the first Rh negatives were &#8220;Neanderthaloid-like&#8221;.<\/p>\n\n\n\n<p>We now know, that the Neanderthal specimens examined were partial D.<\/p>\n\n\n\n<p>Some refer to it as &#8220;rhesus minus incomplete&#8221;.<\/p>\n\n\n\n<p>In other words:<\/p>\n\n\n\n<p>The D antigen is partially deleted, but not completely.<\/p>\n\n\n\n<p>That might make Neanderthals the evolutionary steppingstone to Rh negative blood today.<\/p>\n\n\n\n<p>Continue here:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-the-rh-negative-blog wp-block-embed-the-rh-negative-blog\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"Ik8hqkpNb3\"><a href=\"https:\/\/www.rhesusnegative.net\/staynegative\/where-does-rh-negative-blood-come-from-part-2\/\">Where does Rh negative blood come from? &#8211; Part 2<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Where does Rh negative blood come from? &#8211; Part 2&#8221; &#8212; The Rh Negative Blog\" src=\"https:\/\/www.rhesusnegative.net\/staynegative\/where-does-rh-negative-blood-come-from-part-2\/embed\/#?secret=ihobOWQlxS#?secret=Ik8hqkpNb3\" data-secret=\"Ik8hqkpNb3\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/static.hupso.com\/share\/buttons\/share-medium.png?w=640&#038;ssl=1\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"Where does Rh negative blood come from?\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"Where does Rh negative blood come from?\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>Rh- blood is the result of a gene deletion. The gene in question is the D antigen from the Rhesus Blood Group System There are many blood group systems and the 2 most important ones are the ABO Blood Group System and the Rhesus Blood Group System There are more than 50 antigens that are known of in the Rhesus Blood Group System and the D antigen is the most important one as its impact on pregnancies is the most significant Being Rh- means being D negative, meaning: you test negative for the presence of the D antigen. If the D antigen is missing, you are Rh- negative If all antigens are missing, you are Rh null, which is extremely <div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - https:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"https:\/\/www.hupso.com\/share\/\"><img src=\"https:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share Button\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Pinterest\",\"Linkedin\");var hupso_background_t=\"#EAF4FF\";var hupso_border_t=\"#66CCFF\";var hupso_toolbar_size_t=\"medium\";var hupso_twitter_via = \"datebytype\";var hupso_image_folder_url = \"\";var hupso_twitter_via=\"datebytype\";var hupso_url_t=\"\";var hupso_title_t=\"Where does Rh negative blood come from?\";<\/script><script type=\"text\/javascript\" src=\"https:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":21499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"amp_status":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-21486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-facts"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.rhesusnegative.net\/staynegative\/wp-content\/uploads\/2024\/03\/2d51c69407fa691f10597b83fc7761f9.jpg?fit=800%2C1202&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5DV68-5Ay","_links":{"self":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/21486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/comments?post=21486"}],"version-history":[{"count":4,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/21486\/revisions"}],"predecessor-version":[{"id":21500,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/posts\/21486\/revisions\/21500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/media\/21499"}],"wp:attachment":[{"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/media?parent=21486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/categories?post=21486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rhesusnegative.net\/staynegative\/wp-json\/wp\/v2\/tags?post=21486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}