{"title":"A Markov Chain Model for the Evolution of Sex Ratio.","authors":"Alan E Stark, Eugene Seneta","doi":"10.1017/thg.2023.9","DOIUrl":null,"url":null,"abstract":"<p><p>A model in the form of a Markov chain is constructed to mimic variations in the human sex ratio. It is illustrated by simulation. The equilibrium distribution is shown to be a simple modification of the binomial distribution. This enables an easy calculation of the variation in sex ratio which could be expected in small populations.</p>","PeriodicalId":23446,"journal":{"name":"Twin Research and Human Genetics","volume":"26 1","pages":"21-25"},"PeriodicalIF":1.0000,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Twin Research and Human Genetics","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1017/thg.2023.9","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2023/3/21 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"GENETICS & HEREDITY","Score":null,"Total":0}
引用次数: 0
Abstract
A model in the form of a Markov chain is constructed to mimic variations in the human sex ratio. It is illustrated by simulation. The equilibrium distribution is shown to be a simple modification of the binomial distribution. This enables an easy calculation of the variation in sex ratio which could be expected in small populations.
期刊介绍：
Twin Research and Human Genetics is the official journal of the International Society for Twin Studies. Twin Research and Human Genetics covers all areas of human genetics with an emphasis on twin studies, genetic epidemiology, psychiatric and behavioral genetics, and research on multiple births in the fields of epidemiology, genetics, endocrinology, fetal pathology, obstetrics and pediatrics.
Through Twin Research and Human Genetics the society aims to publish the latest research developments in twin studies throughout the world.
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