The genetics of shovel shape in maxillary central incisors in man

Rafael Blanco, Ranajit Chakraborty

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


From dental casts of 94 parent‐offspring and 127 full‐sib pairs, sampled from two Chilean populations, shovelling indices are computed to measure the degree of shovelling of maxillary central incisors quantitatively. Genetic correlations are computed to determine the role of genetic factors in explaining the variation in this trait. Assuming only hereditary factors to be responsible for the transmission of shovel shape, 68% of total variability is ascribed to the additive effect of genes.

Original languageEnglish
Pages (from-to)233-236
Number of pages4
JournalAmerican Journal of Physical Anthropology
Issue number2
StatePublished - Mar 1976


  • Chilean population
  • Genetic correlation
  • Heritability
  • Shovel shape
  • Tooth morphology


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