Answer:
embryos (the organisms early stage foetal development )
There are three types of dominance. Incomplete, complete, and co-dominance. Complete dominance is when the dominant trait completely masks the recessive. incomplete dominance is when the dominant allele doesn’t completely mask the recessive allele, sometimes resulting in blending. Co-dominance occurs when both alleles are expressed at the same time.
A seems most likely, check with others if u have the time
it's cururururuvy it curves up and then down
B because when the positive feedback happens it increases the temperature and when the negative feedback occurs the temperature lowers itself