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<span>Genetics</span>
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<h1>Genetics</h1>
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<section><div class="mp-content"><p>Find consumer-friendly information about the effects of genetic variation on human health.</p>
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<h2 class="gen-h2">Genetic Conditions</h2>
<span class="gen-blacktext">Learn about the signs and symptoms, causes, and inheritance of more than 1,300 health conditions with a genetic basis.</span>
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<h2 class="gen-h2">Genes</h2>
<span class="gen-blacktext">Find information about the function of more than 1,400 genes and see how changes in these genes are related to health conditions.</span>
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<h2 class="gen-h2">Chromosomes and mtDNA</h2>
<span class="gen-blacktext">Read about each of the 23 pairs of human chromosomes and mitochondrial DNA (mtDNA).</span>
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<h2 class="gen-h2">Help Me Understand Genetics</h2>
<span class="gen-blacktext">Explore topics in human genetics, from the basics of DNA to genomic research and personalized medicine.</span>
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<h2>Related Health Topics</h2>
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<li><a href="https://medlineplus.gov/genesandgenetherapy.html">Genes and Gene Therapy</a></li>
<li><a href="https://medlineplus.gov/geneticdisorders.html">Genetic Disorders</a></li>
<li><a href="https://medlineplus.gov/genetictesting.html">Genetic Testing</a></li>
<li><a href="https://medlineplus.gov/newbornscreening.html">Newborn Screening</a></li>
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<h2>Understanding Genetics</h2>
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<p class="gen-mb-p-10"><a href="https://medlineplus.gov/genetics/understanding/basics/dna/">What is DNA?</a></p>
<p class="gen-mb-p-10"><a href="https://medlineplus.gov/genetics/understanding/basics/gene/">What is a gene?</a></p>
<p class="gen-mb-p-10"><a href="https://medlineplus.gov/genetics/understanding/mutationsanddisorders/genemutation/">What is a gene variant and how do variants occur?</a></p>
<p class="gen-mb-p-3"><a href="https://medlineplus.gov/genetics/understanding/inheritance/runsinfamily/">What does it mean if a disorder seems to run in my family?</a></p>
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