When our experimental offspring are allowed to reproduce, this creates a new population of mixed offspring called: ?

The second generation is referred to as the F2 generation.
During a genetic cross, the original organisms are referred to as the parents, the first generation of offspring is referred to as the F1 generation and the second experimental offspring is referred to as the F2 generation.

I’m so sorry i don’t know the answer but i really need

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.