The bearing of the inheritance of human characters on medicolegal problems presents some interesting aspects. It is entirely possible, once the hereditary behavior of a pair of human characters is known, to make a practical application of this knowledge in cases of disputed parentage. The hereditary behavior of the characters in question must be known beyond doubt, however, before any extensive use is made of the practical application.
The blood groups, which have received most publicity as medicolegal aids, present a case in point. It has long been thought that they were inherited as two independent pairs of mendelian factors. On this basis, Ottenberg 1 has presented tables showing how, if the blood groups of the children and one parent are known, it is in some cases possible to determine from this the group of the other parent.
Recently, however, it has been shown that the blood groups are probably
SNYDER LH. STUDIES IN HUMAN INHERITANCE: II. THE MEDICOLEGAL APPLICATION OF HEREDITARY HUMAN CHARACTERS, WITH ESPECIAL REFERENCE TO THE BLOOD GROUPS. JAMA. 1927;88(8):562–563. doi:10.1001/jama.1927.02680340034009
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