Scientists reckon that at least 1.7 % of people are born with one of several dozen possible intersexual conditions .

科学家们估计，至少有1.7%的人出生时就有许多是双性人条件之一的可能。

It was pointed that intersexuality and polledness were controled by different genes , the half centruny standing problem on intersexual inheritance of goats has been solved .

研究指出,间性无角是由不同基因控制的,解决了近半个世纪来山羊间性遗传的争论问题。