Table 4. Hap Map project haplotypes and population frequencies of Utah residents with northern and western European ancestry (CEU).
| Haplotype | rs1104859 | rs2365652 | rs2275860 | rs3767546 | rs3729547 | Frequency |
| Chr. Position | 201,331,554 | 201,331,664 | 201,333,703 | 201,333,961 | 201,334,382 | – |
| 1 | C | T | G | T | T | 0.637 |
| 2 | A | G | G | T | C | 0.196 |
| 3 | A | G | A | T | C | 0.088 |
| 4 | C | G | G | A | T | 0.078 |
The TNNT2, Arg173Trp variant (Chr1∶201,332,477) was present on separate haplotype, segregating with haplotypes #2 and #1 in families AD-FDC1 and AD-FDC27, respectively.