If a characteristic is x-linked it
a. occurs mostly in males.
b. occurs mostly in females.
c. is always fatal.
d. isn't any different than a normal allele.

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.