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He denies evolutionary advantages to such hominid features as the position of the foramen magnum and the flexure of the" /> <meta name="robots" content="noindex" /> <title>On the Group System of Man and Paedomorphosis | Milford Wolpoff - Academia.edu</title> <link rel="canonical" href="https://www.academia.edu/117645028/On_the_Group_System_of_Man_and_Paedomorphosis" /> <script async src="https://www.googletagmanager.com/gtag/js?id=G-5VKX33P2DS"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-5VKX33P2DS', { cookie_domain: 'academia.edu', send_page_view: false, }); gtag('event', 'page_view', { 'controller': "single_work", 'action': "show", 'controller_action': 'single_work#show', 'logged_in': 'false', 'edge': 'unknown', // Send nil if there is no A/B test bucket, in case some records get logged // with missing data - that way we can distinguish between the two cases. // ab_test_bucket should be of the form <ab_test_name>:<bucket> 'ab_test_bucket': null, }) </script> <script> var $controller_name = 'single_work'; var $action_name = "show"; var $rails_env = 'production'; var $app_rev = '49879c2402910372f4abc62630a427bbe033d190'; var $domain = 'academia.edu'; var $app_host = "academia.edu"; var $asset_host = "academia-assets.com"; var $start_time = new Date().getTime(); var $recaptcha_key = "6LdxlRMTAAAAADnu_zyLhLg0YF9uACwz78shpjJB"; var $recaptcha_invisible_key = "6Lf3KHUUAAAAACggoMpmGJdQDtiyrjVlvGJ6BbAj"; var $disableClientRecordHit = false; </script> <script> window.require = { config: function() { return function() {} } } </script> <script> window.Aedu = window.Aedu || {}; window.Aedu.hit_data = null; window.Aedu.serverRenderTime = new Date(1732459390000); window.Aedu.timeDifference = new Date().getTime() - 1732459390000; </script> <script type="application/ld+json">{"@context":"https://schema.org","@type":"ScholarlyArticle","abstract":"Cleveland, Ohio, U.S.A. 19 II 71 Crombie\u0026amp;amp;#39;s contentions (CA 12:147-69) are utterly devoid of any basis in fact or theory. He denies evolutionary advantages to such hominid features as the position of the foramen magnum and the flexure of the cranium, the retarded closure of the cranial sutures, the reduced size of the dentition, the position of the big toe, and so on (p. 163). He continually suggests that intense selection is accompanied by increased variability (pp. 163-64), linking factors such as loosened sexual behavior and the increased incidence of diseases affecting polygenic traits to increased intensity of selection. Indeed, the very facts presumably requiring explanation are questionable. If the prehominids were like chimpanzees, has there really been a loosening of sexual behavior and aggressive motivation from \u0026amp;amp;quot;rigid, detailed behavior patterns\u0026amp;amp;quot;? Neoteny is not a driving or orienting evolutionary force, but rather a description of certain directions of change. Neotenous changes, in this sense, may have no relation whatsoever to ontogeny. After all, any morphological change makes a given characteristic either more like or less like the fetus. The primary orienting factor of evolutionary change is selection. Selection may render advantageous changes that appear neotenous and allow their effect by simply prolonging or halting the developmental process. To reverse the order puts the cart before the horse.","author":[{"@context":"https://schema.org","@type":"Person","name":"Milford Wolpoff"}],"contributor":[],"dateCreated":"2024-04-17","dateModified":"2024-04-17","datePublished":"1973-02-01","headline":"On the Group System of Man and Paedomorphosis","inLanguage":"en","keywords":["Archaeology","Law","Anthropology","Neoteny","Current anthropology"],"locationCreated":null,"publication":"Current Anthropology","publisher":{"@context":"https://schema.org","@type":"Organization","name":"University of Chicago Press"},"image":null,"thumbnailUrl":null,"url":"https://www.academia.edu/117645028/On_the_Group_System_of_Man_and_Paedomorphosis","sourceOrganization":[{"@context":"https://schema.org","@type":"EducationalOrganization","name":"umich"}]}</script><link rel="stylesheet" media="all" href="//a.academia-assets.com/assets/single_work_page/loswp-352e32ba4e89304dc0b4fa5b3952eef2198174c54cdb79066bc62e91c68a1a91.css" /><link rel="stylesheet" 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window.loswp.showSignupCaptcha = false window.loswp.willEdgeCache = false; window.loswp.work = {"work":{"id":117645028,"created_at":"2024-04-17T11:11:59.179-07:00","from_world_paper_id":253051313,"updated_at":"2024-04-17T11:38:01.783-07:00","_data":{"abstract":"Cleveland, Ohio, U.S.A. 19 II 71 Crombie\u0026#39;s contentions (CA 12:147-69) are utterly devoid of any basis in fact or theory. He denies evolutionary advantages to such hominid features as the position of the foramen magnum and the flexure of the cranium, the retarded closure of the cranial sutures, the reduced size of the dentition, the position of the big toe, and so on (p. 163). He continually suggests that intense selection is accompanied by increased variability (pp. 163-64), linking factors such as loosened sexual behavior and the increased incidence of diseases affecting polygenic traits to increased intensity of selection. Indeed, the very facts presumably requiring explanation are questionable. If the prehominids were like chimpanzees, has there really been a loosening of sexual behavior and aggressive motivation from \u0026quot;rigid, detailed behavior patterns\u0026quot;? Neoteny is not a driving or orienting evolutionary force, but rather a description of certain directions of change. Neotenous changes, in this sense, may have no relation whatsoever to ontogeny. After all, any morphological change makes a given characteristic either more like or less like the fetus. The primary orienting factor of evolutionary change is selection. Selection may render advantageous changes that appear neotenous and allow their effect by simply prolonging or halting the developmental process. To reverse the order puts the cart before the horse.","publisher":"University of Chicago Press","publication_date":"1973,2,1","publication_name":"Current Anthropology"},"document_type":"paper","pre_hit_view_count_baseline":null,"quality":null,"language":"en","title":"On the Group System of Man and Paedomorphosis","broadcastable":false,"draft":null,"has_indexable_attachment":null,"indexable":true}}["work"]; window.loswp.workCoauthors = [1641735]; window.loswp.locale = "en"; window.loswp.countryCode = "SG"; window.loswp.cwvAbTestBucket = ""; window.loswp.designVariant = "grid"; window.loswp.fullPageMobileSutdModalVariant = "full_page_mobile_sutd_modal"; window.loswp.useOptimizedScribd4genScript = false; window.loswp.appleClientId = 'edu.academia.applesignon';</script><script defer="" src="https://accounts.google.com/gsi/client"></script><div class="loswp-grid--container"><div data-auto_select="false" data-client_id="331998490334-rsn3chp12mbkiqhl6e7lu2q0mlbu0f1b" data-landing_url="https://www.academia.edu/117645028/On_the_Group_System_of_Man_and_Paedomorphosis" data-login_uri="https://www.academia.edu/registrations/google_one_tap" data-moment_callback="onGoogleOneTapEvent" id="g_id_onload"></div><div class="above-fold js-swp-splash-above-fold"><div class="work-card--container js-swp-control-work-card" data-entity-id="117645028"><div class="work-cover--wrapper"><div class="work-cover--container"><div class="work-cover--no-attachment-container js-swp-splash-paper-cover"><div class="work-cover--file-icon-wrapper"><img alt="paper cover icon" src="//a.academia-assets.com/images/single_work_splash/adobe.icon.svg" /></div><div class="work-cover--title js-swp-splash-paper-cover-page-title">On the Group System of Man and Paedomorphosis</div><br /><div style="margin-top: 170px"><button class="work-cover--request-pdf-button js-request-pdf-button"><svg style="width: 14px; 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font-weight: 500; color: #4b4b4b;"><div class="u-textTruncate"><span itemprop="author">Milford Wolpoff</span></div></div></a><script data-card-contents-for-user="1641735" type="text/json">{"id":1641735,"first_name":"Milford","middle_initials":null,"last_name":"Wolpoff","page_name":"MilfordWolpoff","domain_name":"umich","created_at":"2012-04-30T06:11:22.929-07:00","display_name":"Milford Wolpoff","url":"https://umich.academia.edu/MilfordWolpoff","photo":"https://0.academia-photos.com/1641735/1930804/2285496/s65_milford.wolpoff.jpg","has_photo":true,"department":{"id":8160,"name":"Anthropology","url":"https://umich.academia.edu/Departments/Anthropology/Documents","university":{"id":493,"name":"University of Michigan","url":"https://umich.academia.edu/"}},"position":"Faculty Member","position_id":1,"interests":[{"id":767,"name":"Anthropology","url":"https://www.academia.edu/Documents/in/Anthropology"},{"id":392,"name":"Archaeology","url":"https://www.academia.edu/Documents/in/Archaeology"},{"id":772,"name":"Human Evolution","url":"https://www.academia.edu/Documents/in/Human_Evolution"},{"id":398,"name":"Paleoanthropology","url":"https://www.academia.edu/Documents/in/Paleoanthropology"},{"id":471719,"name":"Paleoanthropogy","url":"https://www.academia.edu/Documents/in/Paleoanthropogy"},{"id":471718,"name":"PaleoNthropology","url":"https://www.academia.edu/Documents/in/PaleoNthropology"}]}</script><div class="work-card--no-attachment-details"><div style="font-weight: 700; font-size: 14px;">Abstract</div><div class="work-card--abstract js-swp-splash-abstract">Cleveland, Ohio, U.S.A. 19 II 71 Crombie&#39;s contentions (CA 12:147-69) are utterly devoid of any basis in fact or theory. He denies evolutionary advantages to such hominid features as the position of the foramen magnum and the flexure of the cranium, the retarded closure of the cranial sutures, the reduced size of the dentition, the position of the big toe, and so on (p. 163). He continually suggests that intense selection is accompanied by increased variability (pp. 163-64), linking factors such as loosened sexual behavior and the increased incidence of diseases affecting polygenic traits to increased intensity of selection. Indeed, the very facts presumably requiring explanation are questionable. If the prehominids were like chimpanzees, has there really been a loosening of sexual behavior and aggressive motivation from &quot;rigid, detailed behavior patterns&quot;? Neoteny is not a driving or orienting evolutionary force, but rather a description of certain directions of change. Neotenous changes, in this sense, may have no relation whatsoever to ontogeny. After all, any morphological change makes a given characteristic either more like or less like the fetus. The primary orienting factor of evolutionary change is selection. Selection may render advantageous changes that appear neotenous and allow their effect by simply prolonging or halting the developmental process. To reverse the order puts the cart before the horse.</div></div><div class="request-upload--container"><p class="request-upload--title">Milford Wolpoff hasn't uploaded this paper.</p><div class="request-upload--info-text"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="info-circle" class="request-upload--info-icon svg-inline--fa fa-info-circle fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 110c23.196 0 42 18.804 42 42s-18.804 42-42 42-42-18.804-42-42 18.804-42 42-42zm56 254c0 6.627-5.373 12-12 12h-88c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h12v-64h-12c-6.627 0-12-5.373-12-12v-24c0-6.627 5.373-12 12-12h64c6.627 0 12 5.373 12 12v100h12c6.627 0 12 5.373 12 12v24z"></path></svg><p class="no-margin hide-on-small-mobile">Let Milford know you want this paper to be uploaded.</p><p class="no-margin hide-above-small-mobile">Ask for this paper to be uploaded.</p></div><button class="work-cover--request-pdf-button small js-request-pdf-button hide-on-desktop"><svg style="width: 14px; 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