About ________ of babies vary in some way from the biological norm of two distinct sexes.

A) 10 percent
B) 1.7 percent
C) 5 percent
D) 0.06 percent

Biological Norm

A standard or usual pattern of growth, development, or behavior in organisms that is based on genetic and physiological factors.

Distinct Sexes

The classification of individuals based on biological differences in reproductive anatomy and functions, traditionally categorized into male and female.