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href="https://www.geo.de/__assets/breadcrumb.9f51d4bfec2d8ec4bccf0636ec1bf60e.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/breadcrumb--large.bdd8c4fbd5016a93684555d6f8b82894.css" media="(min-width: 1001px)"> <ul class="breadcrumb u-typo u-typo--breadcrumb article__breadcrumb u-hidden-in-app"> <li class="breadcrumb__item"><a class="breadcrumb__link u-typo u-typo--breadcrumb-link" href="https://www.geo.de/wissen/">Wissen</a></li><li class="breadcrumb__item"><a class="breadcrumb__link u-typo u-typo--breadcrumb-link" href="https://www.geo.de/wissen/gesundheit/">Gesundheit</a></li><li class="breadcrumb__item"><h1 class="breadcrumb__headline u-typo u-typo--breadcrumb">RhNull: seltenste Blutgruppe der Welt</h1></li> </ul> <header class="article__header"> <link rel="stylesheet" href="https://www.geo.de/__assets/title.geo.e2de44ac7f3a3d383f5d1a4d714fb1c0.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/title--large.b208cad428da4796f09efb4ea0bc281d.css" media="(min-width: 1001px)"> <div class="title article__title"> <link rel="stylesheet" href="https://www.geo.de/__assets/ad-sponsors.0a57ccb6c0df5a3f673f0f8d0039a978.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/ad-sponsors--large.41fad5f7e9c7e6e861d22f89c344bbbf.css" media="(min-width: 1001px)"> <h2 class="title__heading"> <span class="title__kicker u-typo u-typo--kicker">Medizin</span> <span class="title__headline u-typo u-typo--article-title">Das ist die seltenste Blutgruppe, die bislang bekannt ist</span> </h2> </div> <link rel="stylesheet" href="https://www.geo.de/__assets/image-element.geo.ed359afdf2d5a7ee4407256f10e83823.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/image-element.geo--large.c297ec0b31e672cbefe39800032632b9.css" media="(min-width: 1001px)"> <figure class="image-element article__lead-content image-element--lead-content"> <div class="image-element__container"> <link rel="stylesheet" href="https://www.geo.de/__assets/image.130c36c773418a6dc7a746f60de070a4.css" fetchpriority="high"> <div style="--aspect-ratio:1.4971;"> <img class="image image-element__image" srcset="https://image.geo.de/30124680/t/DB/v3/w480/r0/-/blutgruppe-colourbox23900739-jpg--70551-.jpg 480w, https://image.geo.de/30124680/t/G5/v3/w960/r0/-/blutgruppe-colourbox23900739-jpg--70551-.jpg 960w, https://image.geo.de/30124680/t/VM/v3/w1440/r0/-/blutgruppe-colourbox23900739-jpg--70551-.jpg 1440w" sizes="(min-width: 1280px) 1440px, (min-width: 641px) 960px, (-webkit-min-device-pixel-ratio: 2) and (max-width: 414px) 240px, (min-resolution: 192dpi) and (max-width: 414px) 240px, 480px" title="Blutspende" src="https://image.geo.de/30124680/t/VM/v3/w1440/r0/-/blutgruppe-colourbox23900739-jpg--70551-.jpg" alt="Blutspende" decoding="async" fetchpriority="high" loading="eager"> <a href="https://image.geo.de/30124680/t/ZO/v3/w2048/r0/-/blutgruppe-colourbox23900739-jpg--70551-.jpg#Colourbox" class="image__magnifier" aria-label="Vergrößern"></a> </div> </div> <figcaption class="image-element__caption"> <div class="image-element__description u-richtext u-typo u-typo--caption"> <link rel="stylesheet" href="https://www.geo.de/__assets/presentership-affiliate.geo.4653a18137ccbb155a86318e1672dd57.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/presentership-affiliate.geo--large.9dcf509d04fdea8244a9939bda1cb35c.css" media="(min-width: 1001px)"> Die Blutgruppe RhNull ist als Spende universal einsetzbar </div> <div class="image-element__credits u-typo u-typo--credit">© Colourbox</div> </figcaption> </figure> </header> <div class="article__body js-article-body"> <div class="article__top"> <link rel="stylesheet" href="https://www.geo.de/__assets/authors.ddebc2603cc7ece4ee825863fe81bca4.css" fetchpriority="high"> <div class="authors article__authors"> <div class="authors__text-wrapper"> <div class="authors__text u-typo u-typo--author"> </div> <span class="authors__reading-time u-typo u-typo--date">1 Min.</span> <link rel="stylesheet" href="https://www.geo.de/__assets/x-bookmarkbutton.geo.de47bde6724893e8b28560878eca61d1.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/x-bookmarkbutton.geo--large.b746e562f655fe75439d47ef38a2e9b1.css" media="(min-width: 1001px)"> <x-bookmarkbutton class="x-bookmarkbutton authors__x-bookmarkbutton x-bookmarkbutton--authors u-typo u-typo--button-text-small" content-id="30173200" csrf-ref="#lists-token" disabled ></x-bookmarkbutton> </div> </div> <link rel="stylesheet" href="https://www.geo.de/__assets/intro.80a5634188bcb9b08f9a8af5e339a3db.css" fetchpriority="high"> <div class="intro"> <div class="intro__text u-typo u-typo--intro u-richtext"> Goldenes Blut: Von 7,5 Milliarden sind nur 43 Menschen mit der Blutgruppe RhNull bekannt. Lesen Sie mehr über die seltenste Blutgruppe der Welt </div> </div> </div> <link rel="stylesheet" href="https://www.geo.de/__assets/button.geo.16d6f8661b65838f660bdb5a274dfaee.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/button.geo--large.9ab4935e5611f00f4f6bf8b43ec343f8.css" media="(min-width: 1001px)"> <link rel="stylesheet" href="https://www.geo.de/__assets/text-element.geo.97711a0fd00d43e9e7d6d0ac08e60eca.css" fetchpriority="high"> <p class="text-element u-richtext u-typo u-typo--article-text article__text-element text-element--context-article"> Das Filton Blood Centre in der Nähe von Bristol in Großbritannien ist die vermutlich größte Blutbank der Welt. Rund 850.000 Blutspenden pro Jahr werden hier gesammelt. Bevor das Blut an Spender weitergegeben werden kann, müssen erst die weißen Blutkörperchen aus dem Blut herausgefiltert werden.</p> <link rel="stylesheet" href="https://www.geo.de/__assets/ad-element.d2570793142037100bc161eca820dd03.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/ad-element--large.65a64f54ae23de7dbd9ad0097a7181f7.css" media="(min-width: 1001px)"> <div class="page__ad-element ad-element ad-element--mobile_1 js-ad-element u-typo"> <div id="mobile_1" class="ad-element__ad-tag js-ad-element__ad-tag gujAd js-gujAd-mobile_1"> <script> if (typeof MoltenBundle !== "undefined" && typeof MoltenBundle.cmd !== "undefined") { MoltenBundle.cmd.push(function() { MoltenBundle.push("mobile_1"); }); } </script> </div> </div> <h2 id="rhnull-die-seltenste-blutgruppe-der-welt" class="subheadline-element subheadline-element--h2 u-richtext u-typo u-typo--article-h2 article__subheadline-element article__subheadline-element--h2 subheadline-element--context-article"> RhNull: Die seltenste Blutgruppe der Welt </h2> <p class="text-element u-richtext u-typo u-typo--article-text article__text-element text-element--context-article"> Eine der seltensten und wertvollsten Blutgruppen, die hier vorgehalten wird, ist RhNull: Weltweit sind nur rund 43 Menschen bekannt, die diese Konstellation aufweisen.</p> <div class="page__ad-element ad-element ad-element--outstream_div clearfix"> <div id="outstream_div" class="ad-element__ad-tag js-ad-element__ad-tag gujAd"></div> </div> <p class="text-element u-richtext u-typo u-typo--article-text article__text-element text-element--context-article"> Im Unterschied zu anderen Gruppen weist die Blutgruppe RhNull keine Rhesus-Antigene auf. Deswegen ist diese Blutgruppe als Spende auch universal einsetzbar: Ohne Antigene kommt es nicht zu lebensbedrohlichen Abwehrreaktionen mit Empfängerblut.</p> <link rel="stylesheet" href="https://www.geo.de/__assets/video.geo.4287fa580c5278fb1a4d04d0f2cced0d.css" fetchpriority="high"> <figure class="video article__video-vms video-vms--context-article"> <div class="video__player"> <div class="js-video-publishing-player" data-id="662f9625d01ca4ba160a1f25" data-subtype="vms" data-headline="Wie viel Sport wirklich nötig ist" data-kicker="Intervalltraining" data-length="PT2M26S" data-renditions="{"progressive":{"url":"https://vodvmsusoaws-cf.rtl.de/proxy1111/vms/world-662f9625d01ca4ba160a1f25-654a07ccef399d6cbc4fdd07-vod-progressive--3f040018.ism/662f9625d01ca4ba160a1f25.mp4","width":1280,"height":720},"dash":{"url":"https://vodvmsusoaws-cf.rtl.de/proxy1111/vms/world-662f9625d01ca4ba160a1f25-654a07ccef399d6cbc4fdd07-vod-dash--3f040018.ism/video.mpd","width":1280,"height":720},"hbbtv":{"url":"http://vms-hbbtv-akamai.rtl.de/662f9625d01ca4ba160a1f25_MP4.HbbTV_1714394661.mp4","width":720,"height":576},"hls":{"url":"https://vodvmsusoaws-cf.rtl.de/proxy1111/vms/world-662f9625d01ca4ba160a1f25-654a07ccef399d6cbc4fdd07-vod-hls--3f040018.ism/video.m3u8","width":1280,"height":720}}" data-poster="https://image.geo.de/30122502/t/-P/v3/w960/r1.7778/-/sport-intervalltraining-video-teaser-jpg--69198-.jpg" data-homad-client="https://www.geo.de/__assets/homad/geo.json" data-tracking="{"staticTitle":"30199414:Wie viel Sport wirklich nötig ist","firstPublicationDate":"2015-05-05T10:28:00+02:00","hiddenSources":[["geo.de"]],"legacyId":"16439"}" ></div> <img class="image video__image" srcset="https://image.geo.de/30122502/t/Wv/v3/w480/r1.7778/-/sport-intervalltraining-video-teaser-jpg--69198-.jpg 480w, https://image.geo.de/30122502/t/-P/v3/w960/r1.7778/-/sport-intervalltraining-video-teaser-jpg--69198-.jpg 960w" sizes="(min-width: 415px) 592px, (-webkit-min-device-pixel-ratio: 2) and (max-width: 414px) 183px, (min-resolution: 192dpi) and (max-width: 414px) 183px, 366px" title="Läufer auf Treppe" src="https://image.geo.de/30122502/t/-P/v3/w960/r1.7778/-/sport-intervalltraining-video-teaser-jpg--69198-.jpg" alt="Läufer auf Treppe" decoding="async" fetchpriority="auto" loading="lazy"> </div> <figcaption> <h2 class="u-typo u-typo--publishing-player-title">Wie viel Sport wirklich nötig ist</h2> </figcaption> <div class="u-typo u-typo--credit">02:26 min</div> </figure> <div class="page__ad-element ad-element ad-element--mobile_2 js-ad-element u-typo"> <div id="mobile_2" class="ad-element__ad-tag js-ad-element__ad-tag gujAd js-gujAd-mobile_2"> <script> if (typeof MoltenBundle !== "undefined" && typeof MoltenBundle.cmd !== "undefined") { MoltenBundle.cmd.push(function() { MoltenBundle.push("mobile_2"); }); } </script> </div> </div> <p class="text-element u-richtext u-typo u-typo--article-text article__text-element text-element--context-article"> Da jedes rote Blutkörperchen im Blut aber auf seiner Oberfläche über bis zu 342 Antigene verfügt, gibt es womöglich noch nicht entdeckte Kombinationen oder Genveränderungen, die zu einer noch selteneren Blutgruppe führen als RhNull.</p> <script> window.EmsAd = window.EmsAd || {}; window.EmsAd.noOpinary = false; </script> <div class="page__ad-element ad-element ad-element--opinary-automation-placeholder clearfix"> <div id="opinary-automation-placeholder" class="ad-element__ad-tag js-ad-element__ad-tag gujAd"></div> </div> <p class="text-element u-richtext u-typo u-typo--article-text article__text-element text-element--context-article"> Erstmals beschrieben wurde die seltene Blutgruppe vor über 40 Jahren. Im Jahr 1961 wurde die Blutgruppe RhNull bei einer Aborigine entdeckt. Das Rhesus-Blutgruppensystem ist, nach dem allgemein geläufigen AB0-System, das zweitwichtigste Blutgruppensystem des Menschen.</p> <div class="article__embedded-teasers"> <link rel="stylesheet" href="https://www.geo.de/__assets/teaser.geo.7106ce373ccad4a8ed5e6b40d8cf45ef.css" fetchpriority="high"><link rel="stylesheet" href="https://www.geo.de/__assets/teaser.geo--large.3f35051ffb65c5161e605aeb10b8cb75.css" media="(min-width: 1001px)"> <article class="teaser teaser--card teaser--card--with-text teaser--list-on-l teaser--list-on-l--with-text article__teaser article__teaser--card-list----tg5--tt teaser--context-article teaser--overlay-link"> <figure class="teaser__figure"> <div class="teaser__image-clip-path" style="--aspect-ratio:1.5;"> <img class="image teaser__image" srcset="https://image.geo.de/30110400/t/Sn/v3/w240/r1.5/-/teaser-jpg--61229-.jpg 240w, https://image.geo.de/30110400/t/en/v3/w480/r1.5/-/teaser-jpg--61229-.jpg 480w, https://image.geo.de/30110400/t/gy/v3/w960/r1.5/-/teaser-jpg--61229-.jpg 960w" sizes="(min-width: 1280px) 197px, (min-width: 1001px) 244px, (min-width: 415px) 592px, (-webkit-min-device-pixel-ratio: 2) and (max-width: 414px) 183px, (min-resolution: 192dpi) and (max-width: 414px) 183px, 366px" title="Medizin: Das ist die seltenste Blutgruppe, die bislang bekannt ist" src="https://image.geo.de/30110400/t/gy/v3/w960/r1.5/-/teaser-jpg--61229-.jpg" alt="Medizin: Das ist die seltenste Blutgruppe, die bislang bekannt ist" decoding="async" fetchpriority="auto" loading="lazy"> </div> </figure> <div class="teaser__text-content"> <a href="https://www.geo.de/geolino/quiz-ecke/13869-quiz-quiz-blut" class="teaser__link js-embedded-teaser teaser__link--overlay"> <h3 class="teaser__headline-wrapper"> <span class="teaser__kicker u-typo u-typo--kicker-tg5">Quiz</span> <span class="teaser__headline u-typo u-typo--teaser-title-tg5">Was wisst ihr über Blut?</span> </h3> </a> </div> <div class="teaser__text u-typo u-typo--teaser-intro u-richtext">Wie viel Blut fließt durch euren Körper? 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Testet euer Wissen!</div> </article> </div> <div class="article__embedded-teasers"> <article class="teaser teaser--card teaser--card--with-text teaser--list-on-l teaser--list-on-l--with-text article__teaser article__teaser--card-list----tg5--tt teaser--context-article teaser--overlay-link"> <figure class="teaser__figure"> <div class="teaser__image-clip-path" style="--aspect-ratio:1.5;background-color:#050402;"> <img class="image teaser__image" srcset="https://image.geo.de/30474100/t/HI/v4/w240/r1.5/-/lebenim-ewigen-augenblick-picture-1071600051.jpg 240w, https://image.geo.de/30474100/t/kT/v4/w480/r1.5/-/lebenim-ewigen-augenblick-picture-1071600051.jpg 480w, https://image.geo.de/30474100/t/Ht/v4/w960/r1.5/-/lebenim-ewigen-augenblick-picture-1071600051.jpg 960w" sizes="(min-width: 1280px) 197px, (min-width: 1001px) 244px, (min-width: 415px) 592px, (-webkit-min-device-pixel-ratio: 2) and (max-width: 414px) 183px, (min-resolution: 192dpi) and (max-width: 414px) 183px, 366px" title="Lonni Sue vor einer Wand mit ihren Gemälden" src="https://image.geo.de/30474100/t/Ht/v4/w960/r1.5/-/lebenim-ewigen-augenblick-picture-1071600051.jpg" alt="Lonni Sue vor einer Wand mit ihren Gemälden" decoding="async" fetchpriority="auto" loading="lazy"> </div> </figure> <div class="teaser__text-content"> <span class="teaser__special-kicker u-typo u-typo--teaser-label">Zum Hören und Lesen</span> <a href="https://www.geo.de/wissen/gesundheit/gedaechtnisverlust--leben-im-ewigen-augenblick-30474980.html" class="teaser__link js-embedded-teaser teaser__link--overlay" data-commerce="{"creative":"teaser","id":"geo_plus","name":"30474980:Leben im ewigen Augenblick: Das rätselhafte Schicksal von Lonni Sue Johnson","position":"card-list----tg5--tt;not_set;9"}"> <h3 class="teaser__headline-wrapper"> <span class="teaser__kicker teaser__kicker--with-paid-category teaser__kicker--geo_plus u-typo u-typo--kicker-tg5">Gedächtnisverlust</span> <span class="teaser__headline u-typo u-typo--teaser-title-tg5">Leben im ewigen Augenblick: Das rätselhafte Schicksal von Lonni Sue Johnson</span> </h3> </a> <time class="teaser__date u-typo u-typo--teaser-date js-date-diff" datetime="2021-12-23T14:45:00+01:00">23.12.2021</time> <link rel="stylesheet" href="https://www.geo.de/__assets/teaser__brand-identifier.c1d1c22745c6a6782d31b7b49dd4b7b8.css" fetchpriority="high"> <div class="teaser__brand-identifier teaser__brand-identifier--geo_plus" role="img" aria-label="Partnerinhalt von Geo Plus"></div> </div> <div class="teaser__text u-typo u-typo--teaser-intro u-richtext">Seit ein Virus ihr Gehirn zerstörte, stellt die Künstlerin Lonni Sue Johnson die Wissenschaft vor vertrackte Fragen: Warum erkennt sie ihre Freunde nicht, weiß aber, wie man ein Flugzeug fliegt? Wie erlernt sie neue Musikstücke auf der Viola, während sie ihren Alltag vergisst, alle paar Minuten? 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Sapolsky steht leicht angelehnt an einem Baum." decoding="async" fetchpriority="auto" loading="lazy"> </div> </figure> <div class="teaser__text-content"> <span class="teaser__special-kicker u-typo u-typo--teaser-label">Interview</span> <a href="https://www.geo.de/wissen/dieser-forscher-ist-sich-sicher--wir-haben-keinen-freien-willen---und-sind-schuldlos-an-verbrechen-33839386.html" class="teaser__link teaser__link--overlay" data-commerce="{"creative":"teaser","id":"geo_plus","name":"33839386:Dieser Forscher ist sich sicher: Wir haben keinen freien Willen – und sind schuldlos an Verbrechen","position":"card--pr--tg5;Empfehlungen der Redaktion;11"}"> <h3 class="teaser__headline-wrapper"> <span class="teaser__kicker teaser__kicker--with-paid-category teaser__kicker--geo_plus u-typo u-typo--kicker-tg5">Robert Sapolsky</span> <span class="teaser__headline u-typo u-typo--teaser-title-tg5">Dieser Forscher ist sich sicher: Wir haben keinen freien Willen – und sind schuldlos an Verbrechen</span> </h3> </a> <time class="teaser__date u-typo u-typo--teaser-date js-date-diff" datetime="2024-10-10T18:05:00+02:00">10.10.2024</time> <div class="teaser__brand-identifier teaser__brand-identifier--geo_plus" role="img" aria-label="Partnerinhalt von Geo Plus"></div> </div> </article> <article class="teaser teaser--card teaser--card--context-medium group-teaser-gallery__item js-group-teaser-gallery__item teaser--overlay-link"> <figure class="teaser__figure"> <div class="teaser__image-clip-path" style="--aspect-ratio:0.6667;background-color:#801326;"> <img class="image teaser__image" srcset="https://image.geo.de/31554790/t/NC/v5/w240/r0.6667/-/aufmacher.jpg 240w, https://image.geo.de/31554790/t/EY/v5/w480/r0.6667/-/aufmacher.jpg 480w" sizes="(min-width: 1001px) 238px, (min-width: 415px) 266px, (-webkit-min-device-pixel-ratio: 2) and (max-width: 414px) 81.5px, (min-resolution: 192dpi) and (max-width: 414px) 81.5px, 163px" title="Meerestiere: Das Bargibant-Seepferdchen (Hippocampus bargibanti) tarnt sich als Koralle. 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