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Published online by Cambridge University Press: 01 August 2014
The preliminary results of a cytogenetic analysis of blast index, mitotic index and association index, as well as of morphological indices of chromosomes 1, 9 and 16, carried out on two subsamples of twin pairs of different age groups, seem to indicate that the genetic material may undergo some process of transformation with time.
Presented at the Second International Congress on Twin Studies (Washington, 29 August-1 September 1977).
* Presented at the Second International Congress on Twin Studies (Washington, 29 August-1 September 1977).