The atd angle for the right hand is 102' and for the left hand 88', the sum of right and left being 190'.This value is very high, coming above the mean of 162' for Down's syndrome,7 yet not so high as the mean of 216' in Patau's syndrome.8Finger prints show an unusually complex pattern of six whorls, three ulnar loops, and one double loop (see Table ). 1 2 3 4 5
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Ivor Nazareth (1971) studied this question.
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