{"id":221969,"date":"2025-05-30T18:40:38","date_gmt":"2025-05-30T18:40:38","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=221969"},"modified":"2025-05-30T18:40:40","modified_gmt":"2025-05-30T18:40:40","slug":"describe-an-individual-with-the-karyotype-shown-xxn-go-od-8-%d1%81-10-11-12-88-13-15-14-d-to-16-17-e-18-83-88-888-88-19-20-21-22-f-23-x-y-o-a","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/30\/describe-an-individual-with-the-karyotype-shown-xxn-go-od-8-%d1%81-10-11-12-88-13-15-14-d-to-16-17-e-18-83-88-888-88-19-20-21-22-f-23-x-y-o-a\/","title":{"rendered":"Describe An Individual With The Karyotype Shown XXN GO OD 8 \u0421 10 11 12 88 13 15 14 D TO 16 17 E 18 83 88 888 88 19 20 21 22 F 23 X\/Y O A"},"content":{"rendered":"\n

Describe An Individual With The Karyotype Shown XXN GO OD 8 \u0421 10 11 12 88 13 15 14 D TO 16 17 E 18 83 88 888 88 19 20 21 22 F 23 X\/Y O A. A Male With Down Syndrome OB. A Female With Down Syndrome O C. A Female With Klinefelter Syndrome O D. A Female With Turner’s Syndrome<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/strong><\/p>\n\n\n\n

Correct Answer: \ud83c\udd71\ufe0f B. A Female With Down Syndrome<\/strong><\/p>\n\n\n\n

\n\n\n\n

Explanation <\/h3>\n\n\n\n

A karyotype is a visual representation of an individual’s chromosomes, used to identify genetic abnormalities. In a typical human karyotype, there are 46 chromosomes<\/strong>, organized into 23 pairs<\/strong>. Pairs 1 through 22 are autosomes<\/strong>, and pair 23 represents the sex chromosomes<\/strong> (XX for females, XY for males).<\/p>\n\n\n\n

Let\u2019s analyze the karyotype provided:<\/p>\n\n\n\n

    \n
  • Sex chromosomes: XX<\/strong> \u2014 This indicates the individual is biologically female<\/strong>.<\/li>\n\n\n\n
  • Chromosome 21: 888<\/strong> \u2014 This is highly indicative of trisomy 21<\/strong>, which means there are three copies of chromosome 21<\/strong>. This genetic abnormality is the cause of Down syndrome<\/strong>.<\/li>\n<\/ul>\n\n\n\n

    Why Option B is Correct:<\/h3>\n\n\n\n
      \n
    • The individual has two X chromosomes<\/strong> \u2014 confirming female<\/strong> sex.<\/li>\n\n\n\n
    • The presence of three copies of chromosome 21 (trisomy 21)<\/strong> is the hallmark of Down syndrome<\/strong>.<\/li>\n\n\n\n
    • Therefore, the individual is a female with Down syndrome<\/strong>, which makes Option B the correct answer<\/strong>.<\/li>\n<\/ul>\n\n\n\n

      Why Other Options Are Incorrect:<\/h3>\n\n\n\n
        \n
      • Option A: A Male With Down Syndrome<\/strong>
        Incorrect because the individual has XX<\/strong>, not XY \u2014 therefore not male<\/strong>.<\/li>\n\n\n\n
      • Option C: A Female With Klinefelter Syndrome<\/strong>
        Incorrect because Klinefelter syndrome typically occurs in males with XXY<\/strong> chromosomes, not in females with XX.<\/li>\n\n\n\n
      • Option D: A Female With Turner\u2019s Syndrome<\/strong>
        Incorrect because Turner\u2019s syndrome is characterized by the presence of only one X chromosome (XO)<\/strong>, not two.<\/li>\n<\/ul>\n\n\n\n

        Summary:<\/h3>\n\n\n\n

        The individual described has an XX sex chromosome pattern<\/strong>, confirming she is female, and three copies of chromosome 21<\/strong>, confirming Down syndrome. Therefore, the best match is B. A Female With Down Syndrome<\/strong>.<\/p>\n\n\n\n

        \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

        Describe An Individual With The Karyotype Shown XXN GO OD 8 \u0421 10 11 12 88 13 15 14 D TO 16 17 E 18 83 88 888 88 19 20 21 22 F 23 X\/Y O A. A Male With Down Syndrome OB. A Female With Down Syndrome O C. A Female With Klinefelter […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-221969","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/221969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=221969"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/221969\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=221969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=221969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=221969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}