Based upon how our brain functions using neurons and neurotransmission, it seems most likely that explicit, declarative memories (like episodic or semantic) are "encoded" how?

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?