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Table 1 Genotypes and hypolactasia/lactase persistence distribution among the different ethnic groups (%).

From: Frequency of LCT -13910C>T single nucleotide polymorphism associated with adult-type hypolactasia/lactase persistence among Brazilians of different ethnic groups

Genotypes White Brown Black Japanese-Brazilian Total
CC (hypolactasia) 226 (56.6) 37 (56.9) 40 (80.0) 53 (100) 356 (62.8)
CT 149 (37.3) 26 (40.0) 8 (16.0)   183 (32.3)
TT 24 (6.0) 2 (3.1) 2 (4.0)   28 (4.9)
Lactase persistence
(CT and TT)
173 (43.4) 28 (43.1) 10 (20)a None a 211 (37.2)
Total 399 (100) 65 (100) 50 (100) 53 (100) 567 (100)
  1. a P < 0.01
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