The Presence of an Extra X Chromosome Is More Likely

The presence of an extra X chromosome is more likely to result in a viable human fetus than an extra copy of an autosome because:

A) expression of genes from the X chromosome is restricted to early development of females.
B) the X chromosome carries few genes, so dosage is not a problem.
C) the X and the Y chromosomes do not recombine along most of their length.
D) the X chromosome is the "female" chromosome.
E) None of the answer options is correct.