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Dictionary » Twin Studies
 

Twin Studies

Introduction: Twin Studies

Description of Twin Studies

Twin Studies: Methods of detecting genetic etiology in human traits. The basic premise of twin studies is that monozygotic twins, being formed by the division of a single fertilized ovum, carry identical genes, while dizygotic twins, being formed by the fertilization of two ova by two different spermatozoa, are genetically no more similar than two siblings born after separate pregnancies. (Last, J.M., A Dictionary of Epidemiology, 2d ed).
Source: MeSH 2007

Twin Studies: Related Topics

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  • Unspecified congenital anomaly of brain, spinal cord, and nervous system
  • Unspecified congenital anomaly of circulatory system
  • Unspecified congenital anomaly of digestive system
  • Unspecified congenital anomaly of ear
  • Unspecified congenital anomaly of ear with impairment of hearing
  • Unspecified congenital anomaly of fallopian tubes and broad ligaments
  • Unspecified congenital anomaly of gallbladder, bile ducts, and liver
  • Unspecified congenital anomaly of genital organs
  • Unspecified congenital anomaly of heart
  • Unspecified congenital anomaly of lower limb
  • Unspecified congenital anomaly of respiratory system
  • Unspecified congenital anomaly of unspecified limb
  • Unspecified congenital anomaly of upper alimentary tract
  • Unspecified congenital anomaly of urinary system
  • Unspecified congenital obstructive defect of renal pelvis and ureter

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