{"id":1225,"date":"2021-11-23T20:47:56","date_gmt":"2021-11-23T20:47:56","guid":{"rendered":"https:\/\/monteithshop.org\/\/?page_id=1225"},"modified":"2021-11-23T20:50:36","modified_gmt":"2021-11-23T20:50:36","slug":"battle-of-the-blastocysts","status":"publish","type":"page","link":"https:\/\/monteithshop.org\/es\/for-educators\/trivia\/battle-of-the-blastocysts\/","title":{"rendered":"Batalla de los blastocistos"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1>Batalla de los blastocistos<\/h1>\n<p>Cuando una hembra ant\u00edlope da a luz, ella t\u00edpicamente tiene dos cervatos cada vez; estos cervatos ya han ganado una batalla de vida y muerte antes de llegar a este mundo. La investigaci\u00f3n cient\u00edfica sugiere que cuando el ant\u00edlope se reproduce, la hembra tiene entre 3 y 7 huevos que son fertilizados y estos se convierten en blastocitos, que es la etapa siguiente a la fertilizaci\u00f3n pero anterior a que los huevos se implanten en la muralla uterina.<\/p>\n<p>T\u00edpicamente solo dos de los huevos inicialmente fertilizados son implantados en la muralla uterina para despu\u00e9s convertirse en cervatos, porque para llegar a la muralla ellos deben pasar por una batalla hasta la muerte!. Cada huevo fertilizado empu\u00f1a un arma, una especie de protuberancia en forma de lanza conocida como la punta necr\u00f3tica. Al hacer carrera hacia la seguridad de la muralla uterina, los huevos fertilizados pueden enredarse entre ellos y ensartarse con sus puntas necr\u00f3ticas. S\u00f3lo los huevos m\u00e1s intr\u00e9pidos pueden sobrevivir. De lo que se sabe, esta forma de batalla en el \u00fatero es \u00fanica, s\u00f3lo se da en los ant\u00edlopes. Siempre hemos sabido que los ant\u00edlopes son una criatura extra\u00f1a, y este comportamiento \u00fanico que describimos aqu\u00ed es una prueba m\u00e1s!<\/p>\n<p>&nbsp;<\/p>\n<p>Referencia: O\u2019Gara, B. W. 1969. Unique aspects of reproduction in the female pronghorn (<em>Antilocapra americana <\/em>Ord). American Journal of Anatomy 125:217-232.<\/p>\n<p>&nbsp;<\/p>\n<h5>Descripci\u00f3n de Rhiannon Jakopak. Ilustraci\u00f3n de Rachel Smiley.<\/h5>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_left\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<div class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/monteithshop.org\/wp-content\/uploads\/2021\/11\/PronghornBlastocysts.png\" class=\"vc_single_image-img attachment-full\" alt=\"Pronghorn blastocysts duking it out!\" title=\"PronghornBlastocysts\" srcset=\"https:\/\/monteithshop.org\/wp-content\/uploads\/2021\/11\/PronghornBlastocysts.png 1024w, https:\/\/monteithshop.org\/wp-content\/uploads\/2021\/11\/PronghornBlastocysts-600x450.png 600w, https:\/\/monteithshop.org\/wp-content\/uploads\/2021\/11\/PronghornBlastocysts-300x225.png 300w, https:\/\/monteithshop.org\/wp-content\/uploads\/2021\/11\/PronghornBlastocysts-768x576.png 768w\" sizes=\"auto, 100vw\" \/><\/div><figcaption class=\"vc_figure-caption\">Los blastocistos de los ant\u00edlopes se golpean en el \u00fatero y usan puntas necr\u00f3ticas agudas para destruir a la competencia.<\/figcaption>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Battle of the blastocysts! When a female pronghorn gives birth, she typically gives birth to 2 fawns at a time; these fawns have already won a life-or-death battle before arriving in this world. Research suggests that 3-7 eggs are fertilized when a pronghorn is bred and they develop into blastocysts, which is the stage immediately &hellip; <p class=\"link-more\"><a href=\"https:\/\/monteithshop.org\/es\/for-educators\/trivia\/battle-of-the-blastocysts\/\" class=\"more-link\">Read more<span class=\"screen-reader-text\"> \"Battle of the blastocysts!\"<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":1181,"menu_order":24,"comment_status":"closed","ping_status":"closed","template":"template-full-custom.php","meta":{"footnotes":""},"class_list":["post-1225","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/pages\/1225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/comments?post=1225"}],"version-history":[{"count":4,"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/pages\/1225\/revisions"}],"predecessor-version":[{"id":1229,"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/pages\/1225\/revisions\/1229"}],"up":[{"embeddable":true,"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/pages\/1181"}],"wp:attachment":[{"href":"https:\/\/monteithshop.org\/es\/wp-json\/wp\/v2\/media?parent=1225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}