Suppose That the Coding Region of a Gene Contains 1,800

Multiple Choice

Suppose that the coding region of a gene contains 1,800 base pairs, with 570 in exon 1, with 420 in exon 2, and with 810 in exon 3 (not counting the stop codon) .A protein in a splice variant of this gene in which exon 2 was spliced out would be composed of _______ amino acids.

A) 149
B) 190
C) 457
D) 463
E) 1,380