Structured exploratory data analysis (SEDA) of finger ridge‐count inheritance: I. Major gene index, midparental correlation, and offspring‐between‐parents function in 125 South Indian families

Samuel Karlin, Ranajit Chakraborty, Paul T. Williams, Susan Mathew

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Fourteen dermatoglyphic traits measured on 125 Velanadu Brahmin families were analyzed for mode of inheritance using three Structured Exploratory Data Analysis (SEDA) statistics: the major gene index, the offspring between parents function, and the traditional midparental correlation coefficient. Since the traits are integer valued with restricted ranges of variation, we simulated various transmission models with discrete expression to better understand the nature of the SEDA statistics for such variables. In addition, permutation procedures were employed to aid the interpretation of the SEDA results. These analyses suggest that corresponding homologous fingers on the left and right hands exhibit similar transmission characteristics. The relationship of the parent and child total ridge‐counts of the two hands separately, as well as their combined total, virtually simulate complete Galtonian blending inheritance. Results for the individual digital ridge‐counts as well as the pattern‐intensity‐index variable also suggest a multifactorial mode of transmission or possibly one involving several genes.

Original languageEnglish
Pages (from-to)377-396
Number of pages20
JournalAmerican Journal of Physical Anthropology
Volume62
Issue number4
DOIs
StatePublished - Dec 1983

Fingerprint

Fingers
data analysis
parents
statistics
Genes
Hand
Parent-Child Relations
Dermatoglyphics
interpretation
Parents

Keywords

  • Finger ridge‐counts
  • MGI
  • MPCC
  • OBP
  • Structured exploratory data analysis
  • Velanadu Brahmins of South India

Cite this

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title = "Structured exploratory data analysis (SEDA) of finger ridge‐count inheritance: I. Major gene index, midparental correlation, and offspring‐between‐parents function in 125 South Indian families",
abstract = "Fourteen dermatoglyphic traits measured on 125 Velanadu Brahmin families were analyzed for mode of inheritance using three Structured Exploratory Data Analysis (SEDA) statistics: the major gene index, the offspring between parents function, and the traditional midparental correlation coefficient. Since the traits are integer valued with restricted ranges of variation, we simulated various transmission models with discrete expression to better understand the nature of the SEDA statistics for such variables. In addition, permutation procedures were employed to aid the interpretation of the SEDA results. These analyses suggest that corresponding homologous fingers on the left and right hands exhibit similar transmission characteristics. The relationship of the parent and child total ridge‐counts of the two hands separately, as well as their combined total, virtually simulate complete Galtonian blending inheritance. Results for the individual digital ridge‐counts as well as the pattern‐intensity‐index variable also suggest a multifactorial mode of transmission or possibly one involving several genes.",
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Structured exploratory data analysis (SEDA) of finger ridge‐count inheritance : I. Major gene index, midparental correlation, and offspring‐between‐parents function in 125 South Indian families. / Karlin, Samuel; Chakraborty, Ranajit; Williams, Paul T.; Mathew, Susan.

In: American Journal of Physical Anthropology, Vol. 62, No. 4, 12.1983, p. 377-396.

Research output: Contribution to journalArticle

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