I know the awnser it is c
The spinal ganglia or dorsal root ganglia contain the cell bodies of sensory neurons entering the cord at that region. nerve - a group of fibers (axons) outside the CNS. The spinal nerves contain the fibers of the sensory and motor neurons.
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In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.
You can tell it's not a dominant trait because it would show in all the grandchildren.
Recessive
#12 is heterozygous
It’s a simple thing really, the more options or “diversity” it’s more likely that it will be more sustainable and things will find a way to survive. Think about it like a video game level, the more tries you have the more likely you are for success