Medical Genetics Human genome Nuclear genome Mitochondrial genome 3300Mb 166kb -80 000 genes 37 genes 25% 75% Genes and gene. Extragenic TWO TRNA 22 IRNA 13 polypeptide- related sequences DNA genes genes encoding genes Unique or moderately repetitive 60% 40% 10% Coding Noncoding Unique or Moderate to DNA DNA low copy number highly repetitive Pseudogenes Gene Introns Tandemly repeatedInterspersed fragments untranslated or clustered repeats sequences, etc repeatsMedical Genetics