Atext’s genre is determined by the
length of the piece of writing
time period of the writing
author’s reputation and bias
traits it has in common with other works

The right option is; traits it has in common with other works

Text genre is a kind of spoken or written communication that is based on specific defining principles. A text genre is determined by the traits (style) it has in common with other works in terms of its content, tone, narrative style, and sometimes length. Based on the communicator’s intention, a text genre may be expository, narrative, procedural, or descriptive.

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.