{"version":"1.0","provider_name":"JMG Contact blog","provider_url":"https:\/\/blogs.bmj.com\/jmg","author_name":"hqqu","author_url":"https:\/\/blogs.bmj.com\/jmg\/author\/hqiqu\/","title":"Chromosomes do it by halves (Contributed by Darren K Griffin, PhD, DSc, FIBiol, FRCPath) - JMG Contact blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"cwTyU6wCXN\"><a href=\"https:\/\/blogs.bmj.com\/jmg\/2011\/05\/27\/chromosomes-do-it-by-halves\/\">Chromosomes do it by halves (Contributed by Darren K Griffin, PhD, DSc, FIBiol, FRCPath)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.bmj.com\/jmg\/2011\/05\/27\/chromosomes-do-it-by-halves\/embed\/#?secret=cwTyU6wCXN\" width=\"600\" height=\"338\" title=\"&#8220;Chromosomes do it by halves (Contributed by Darren K Griffin, PhD, DSc, FIBiol, FRCPath)&#8221; &#8212; JMG Contact blog\" data-secret=\"cwTyU6wCXN\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/blogs.bmj.com\/jmg\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"Extra\/missing chromosomes are the leading cause of mental retardation, pregnancy loss and IVF failure.\u00a0 Most arise in the egg however the mechanism by which errors occur is under debate.\u00a0 Normally, each chromosome of a pair migrates to opposite cell poles before cell division (disjunction); the textbook dogma suggests that errors occur when two chromosomes migrate [...]Read More..."}