Text’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 genre is a characteristics of the text; for example Drama, Epic, Novel, Satire are all genres. A short story is also a genre: so a genre can also for example be distinguished by length.

But the most general way of describing genre is it's general traits, for example in comparison to other works, so the correct answer is traits it has in common with other works

Neurotransmitters are messengers responsible for communication between neurons. they are released from synaptic vesicles and are received by receptors.  the communication is referred to as neurotransmission. the following statement is true about neurotransmitters: a. they're stored in synaptic vesicles in the axon.