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The Occurrences of symmetrical and asymmetrical Terminations of Main Line D, C, B and A in Mohammedans of Rajasthan

Published online by Cambridge University Press:  01 August 2014

Harkishin Kumbnani
Harkishin Kumbnani*
Affiliation:
Dept. of Antrophology, University of Delhi, (India)

Summary

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The occurrence of symmetrical and asymmetrical combinations of termination of the palmar main lines has been studied. Symmetrical combinations are of the same type, while asymmetrical ones are of different types. Actual frequencies (AF) and chance frequencies (CF) of various combinations have been calculated.

1) Though various symmetrical combinations are found on palmar main line D, combinations 11/11 exhibits a higher frequency in both sexes. Similarly, palmar main line C shows a higher frequency of combination 9/9 in both sexes. Palmar main line B is remarkable for the absence of combination 3/3, while combination 7/7 is the most common. Palmar main line A is also remarkable for the absence of combination 1/1, while the most common combination found is 3/3.

2) The higher value of the AF-CF ratio shows a greater tendency to symmetrical combinations.

3) A strong tendency of repulsion is observed on the part of symmetrical combinations.

4) Chance frequencies (CF) can be calculated provided that the termination frequencies of various palmar main lines are known.

5) The value of AF-CF ratio is inversely proportional to the value of chance frequency (CF).

6) In all symmetrical and asymmetrical combinations examined with the ‘t’ test no statistical significance has been found in either sex.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 13 , Issue 1 , January 1964 , pp. 90 - 98
Copyright
Copyright © The International Society for Twin Studies 1964

References

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