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<meta name="robots" content="INDEX,FOLLOW,NOARCHIVE" /><meta name="citation_inbook_title" content="Genes and Disease [Internet]" /><meta name="citation_title" content="Neonatal Diseases" /><meta name="citation_publisher" content="National Center for Biotechnology Information (US)" /><meta name="citation_date" content="1998" /><meta name="citation_author" content="National Center for Biotechnology Information (US)" /><meta name="citation_fulltext_html_url" content="https://www.ncbi.nlm.nih.gov/books/NBK22262/" /><link rel="schema.DC" href="http://purl.org/DC/elements/1.0/" /><meta name="DC.Title" content="Neonatal Diseases" /><meta name="DC.Type" content="Text" /><meta name="DC.Publisher" content="National Center for Biotechnology Information (US)" /><meta name="DC.Contributor" content="National Center for Biotechnology Information (US)" /><meta name="DC.Date" content="1998" /><meta name="DC.Identifier" content="https://www.ncbi.nlm.nih.gov/books/NBK22262/" /><meta name="description" content="The human genome is often referred to as a &quot;blueprint&quot; and contains all of the information and instructions necessary for defining a human being. The term genome refers collectively to the DNA and associated protein molecules contained in an organism or a cell. The human genome consists of 23 pairs of chromosomes — threadlike packages of genes and other DNA — with each parent contributing one chromosome to each pair." /><meta name="og:title" content="Neonatal Diseases" /><meta name="og:type" content="book" /><meta name="og:description" content="The human genome is often referred to as a &quot;blueprint&quot; and contains all of the information and instructions necessary for defining a human being. The term genome refers collectively to the DNA and associated protein molecules contained in an organism or a cell. The human genome consists of 23 pairs of chromosomes — threadlike packages of genes and other DNA — with each parent contributing one chromosome to each pair." /><meta name="og:url" content="https://www.ncbi.nlm.nih.gov/books/NBK22262/" /><meta name="og:site_name" content="NCBI Bookshelf" /><meta name="og:image" content="https://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcgifs/bookshelf/thumbs/th-gnd-lrg.png" /><meta name="twitter:card" content="summary" /><meta name="twitter:site" content="@ncbibooks" /><meta name="bk-non-canon-loc" content="/books/n/gnd/A65/" /><link rel="canonical" href="https://www.ncbi.nlm.nih.gov/books/NBK22262/" /><link rel="stylesheet" href="/corehtml/pmc/css/figpopup.css" type="text/css" media="screen" /><link rel="stylesheet" href="/corehtml/pmc/css/bookshelf/2.26/css/books.min.css" type="text/css" /><link rel="stylesheet" href="/corehtml/pmc/css/bookshelf/2.26/css/books_print.min.css" type="text/css" /><style type="text/css">p a.figpopup{display:inline !important} .bk_tt {font-family: monospace} .first-line-outdent .bk_ref {display: inline} </style><script type="text/javascript" src="/corehtml/pmc/js/jquery.hoverIntent.min.js"> </script><script type="text/javascript" src="/corehtml/pmc/js/common.min.js?_=3.18"> </script><script type="text/javascript">window.name="mainwindow";</script><script type="text/javascript" src="/corehtml/pmc/js/bookshelf/2.26/book-toc.min.js"> </script><script type="text/javascript" src="/corehtml/pmc/js/bookshelf/2.26/books.min.js"> </script>
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<div class="pre-content"><div><div class="bk_prnt"><p class="small">NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.</p><p>National Center for Biotechnology Information (US). Genes and Disease [Internet]. Bethesda (MD): National Center for Biotechnology Information (US); 1998-. </p></div></div></div>
<div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/CreativeWork"><div class="meta-content fm-sec"><h1 id="_NBK22262_"><span class="title" itemprop="name">Neonatal Diseases</span></h1></div><div class="body-content whole_rhythm" itemprop="text"><div id="_abs_rndgid_" itemprop="description"><p>The human genome is often referred to as a "blueprint" and contains all
of the information and instructions necessary for defining a human being.
The term genome refers collectively to the DNA and associated protein
molecules contained in an organism or a cell. The human genome consists
of 23 pairs of chromosomes &#x02014; threadlike packages of genes and other
DNA &#x02014; with each parent contributing one chromosome to each pair.</p><p>A gene is a specific sequence of DNA and is actually the functional
unit of inheritance. Most genes contain the information needed to make
a protein, or molecules that carry out all of a cell's vital activities.
Therefore, slight variations in genes lead to slight changes in a protein.
Although some human diseases are explained by alterations in a single
gene or of a single chromosome, most are complex and may involve
multiple genes and protein pathways.</p><p>A myriad of genes, as well as environmental factors, are believed
to control the complex and integrated processes necessary for fetal
development. When one or more of these processes goes awry, it can
result in the birth of an individual with a genetic alteration.
Scientific studies, often those that use other organisms as a model, will provide information about biological and
regulatory processes involved in human development and will identify
critical pathways in which genetic changes result in disease. This
information will come not only from human studies, but also from other
model organisms &#x02014; such as mouse or yeast &#x02014; that can provide insights into
how key genes operate in complex systems.</p></div><div id="A65.diseases"><h2 id="_A65_diseases_">Diseases</h2><ul class="simple-list"><li class="half_rhythm"><div>
<a href="/books/n/gnd/achondroplasia/">Achondroplasia</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/angelmansyndrome/">Angelman syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/cockaynesyndrome/">Cockayne syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/cysticfibrosis/">Cystic fibrosis</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/digeorgesyndrome/">DiGeorge syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/fragilexsyndrome/">Fragile X syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/marfansyndrome/">Marfan syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/praderwillisyndrome/">Prader-Willi syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/severecombinedimmunodeficiency/">Severe combined immunodeficiency</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/waardenburgsyndrome/">Waardenburg syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/wernersyndrome/">Werner syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/williamssyndrome/">Williams syndrome</a>
</div></li><li class="half_rhythm"><div>
<a href="/books/n/gnd/zellwegersyndrome/">Zellweger syndrome</a>
</div></li></ul></div><div id="bk_toc_contnr"></div></div></div>
<div class="post-content"><div><div class="half_rhythm"><a href="/books/about/copyright/">Copyright Notice</a></div><div class="small"><span class="label">Bookshelf ID: NBK22262</span></div><div style="margin-top:2em" class="bk_noprnt"><a class="bk_cntns" href="/books/n/gnd/">Contents</a><div class="pagination bk_noprnt"><a class="active page_link prev" href="/books/n/gnd/A59/" title="Previous page in this title">&lt; Prev</a><a class="active page_link next" href="/books/n/gnd/A75/" title="Next page in this title">Next &gt;</a></div></div></div></div>
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