Inheriting Genetic Conditions: MedlinePlus Genetics

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Here:</span> <div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem"> <a href="https://medlineplus.gov/" itemprop="item"><span itemprop="name">Home</span></a> → <meta itemprop="position" content="1"/> </div> <div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem"> <a href="https://medlineplus.gov/genetics/" itemprop="item"><span itemprop="name">Genetics</span></a> → <meta itemprop="position" content="2"/> </div> <div itemscope itemprop="itemListElement" itemtype="http://schema.org/ListItem"> <a href="https://medlineplus.gov/genetics/understanding/" itemprop="item"><span itemprop="name">Help Me Understand Genetics</span></a> → <meta itemprop="position" content="3"/> </div> <div> <span>Inheriting Genetic Conditions</span> </div> </div> </div> <span class="page-url print-only">URL of this page: https://medlineplus.gov/genetics/understanding/inheritance/</span> <div > <article> <div class="page-info"> <div class="page-title"> <a name="start" id="start"></a> <h1>Inheriting Genetic Conditions</h1> </div> <div class="page-actions"></div> <noscript><span class="js-disabled-message">To use the sharing features on this page, please enable JavaScript.</span></noscript> </div> <div class="main"> <section><div class="mp-content"><ul><li><a href="runsinfamily">What does it mean if a disorder seems to run in my family?</a></li><li><a href="familyhistory">Why is it important to know my family health history?</a></li><li><a href="inheritancepatterns">What are the different ways a genetic condition can be inherited?</a></li><li><a href="riskassessment">If a genetic disorder runs in my family, what are the chances that my children will have the condition?</a></li><li><a href="penetranceexpressivity">What are reduced penetrance and variable expressivity?</a></li><li><a href="anticipation">What do geneticists mean by anticipation?</a></li><li><a href="updimprinting">What are genomic imprinting and uniparental disomy?</a></li><li><a href="chromosomalinheritance">Are chromosomal disorders inherited?</a></li><li><a href="ethnicgroup">Why are some genetic conditions more common in particular ethnic groups?</a></li><li><a href="heritability">What is heritability?</a></li></ul></div> </section> </div> <div class="bottom"> <section>  </section> </div> </article> </div> <div id="citation-how-to"> <button><span>Learn how to cite this page</span></button> </div> </div> <footer> <div id="mplus-footer"> <div class="footer1"> <ul class="secondarynav"> <li><a href="https://medlineplus.gov/about/">About MedlinePlus</a></li> <li><a href="https://medlineplus.gov/whatsnew/">What's New</a></li> <li><a href="https://medlineplus.gov/sitemap.html">Site Map</a></li> <li><a href="https://support.nlm.nih.gov/knowledgebase/category/?id=CAT-01231&category=medlineplus&from=https%3A//medlineplus.gov/genetics/understanding/inheritance/" target="_blank"><span>Customer Support</span></a></li> </ul> <ul class="follow-footer"> <li> <a 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Inheriting Genetic Conditions: MedlinePlus Genetics