Table 1

Allele sharing by state in 52 homosexual brother pairs.

MarkerHeterozygositySharingNonsharingChi square
ObservedExpectedObservedExpected
DXS11130.73433.801818.200.00
BGN0.823030.682221.320.04
Factor 80.683534.321717.680.04
DXS11080.743232.762019.240.05
Last three loci combined0.992426.962825.610.44