Twin Studies
| Definition: |
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) |
| Notes: |
an epidemiol technique for study of twins: do not confuse with articles on TWINS as persons or on specific or general DISEASES IN TWINS; IM GEN only; coord NIM with specific subject (IM) + TWINS (IM) or with specific dis (IM) + DISEASES IN TWINS (IM); do |
| Previously Indexed: |
Diseases in Twins (1966-1994),Twins (1966-1994) |
Twin Studies Definitions and Terms
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