{"id":710,"date":"2025-12-14T12:00:00","date_gmt":"2025-12-14T12:00:00","guid":{"rendered":"https:\/\/biopedia.co.uk\/?p=710"},"modified":"2025-12-14T12:00:00","modified_gmt":"2025-12-14T12:00:00","slug":"117-total-mass-of-humanitys-x-chromosomes","status":"publish","type":"post","link":"http:\/\/biopedia.co.uk\/?p=710","title":{"rendered":"117- Total Mass of Humanity&#8217;s X Chromosomes"},"content":{"rendered":"<!--[if lt IE 9]><script>document.createElement('audio');<\/script><![endif]-->\n<audio class=\"wp-audio-shortcode\" id=\"audio-710-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/anchor.fm\/s\/3d2240d8\/podcast\/play\/112811259\/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-11-18%2Fb6fa3878-4129-43ea-b1ef-c6fac2854725.mp3?_=1\" \/><a href=\"https:\/\/anchor.fm\/s\/3d2240d8\/podcast\/play\/112811259\/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-11-18%2Fb6fa3878-4129-43ea-b1ef-c6fac2854725.mp3\">https:\/\/anchor.fm\/s\/3d2240d8\/podcast\/play\/112811259\/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-11-18%2Fb6fa3878-4129-43ea-b1ef-c6fac2854725.mp3<\/a><\/audio>\n<p>A silly question today- if you were to add together all of the X chromosomes of all of the people in the world, what would their total mass be? To answer this, we are going to have to estimate the mass of an X chromosome, examine how many cells are in a human body, and just how many people there are in the world&#8230;<\/p>\n<p><\/p>\n<p>Sources for this episode:<\/p>\n<ul>\n<li>Bhartiya, A., Batey, D., Cipiccia, S., Shi, X., Rau, C., Botchway, S., Yusuf, M. and Robinson, I. K. (2021), X-ray Phytography Imaging of Human Chromosomes after Low-Dose Irradiation. Chromosome Research 29: 107-126.<\/li>\n<li>Ross, M. T., <em>et al.<\/em> (2005), The DNA sequence of the human X chromosome. Nature 434: 325-337.<\/li>\n<li>Sender, R., Fuchs, S. and Milo, R. (2016), Revised Estimates for the Number of Human and Bacteria Cells in the Body. PLoS Biology 14(8): e1002533.<\/li>\n<li>Tartaglia, N., Cordeiro, L., Howell, S., Wilson, R. and Janusz, J. (2010), The Spectrum of the Behavioural Phenotype in Boys and Adolescents 47,XXY (Klinefelter Syndrome). Pediatric Endocrinology Reviews 8(1): 151-159.<\/li>\n<li>Author unknown, Bionumbers (date unknown), Mass of X and Y chromosomes (online) (Accessed 14\/12\/2025).<\/li>\n<li>Author unknown, Worldometer, (date unknown), World Population Clock (online) (Accessed 14\/12\/2025).<\/li>\n<li>Author unknown, UNICEF (date unknown), How many children are there in the world? (online) (Accessed 14\/12\/2025).<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A silly question today- if you were to add together all of the X chromosomes of all of the people in the world, what would their total mass be? To answer this, we are going to have to estimate the mass of an X chromosome, examine how many cells are in a human body, and &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/biopedia.co.uk\/?p=710\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;117- Total Mass of Humanity&#8217;s X Chromosomes&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/710"}],"collection":[{"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=710"}],"version-history":[{"count":0,"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/710\/revisions"}],"wp:attachment":[{"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=710"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/biopedia.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}