Many Children Born with Ornithine Transcarbamylase Deficiency (OTC)die Within Seventy-Two

Many children born with ornithine transcarbamylase deficiency (OTC) die within seventy-two hours of birth.Jesse Gelsinger was not diagnosed with OTC until he was two because _______ and therefore his symptoms were milder.

A) his defective gene was autosomal recessive
B) he was a mosaic
C) of X-inactivation in males
D) of parental imprinting
E) he had a conditional mutation