Line ventricles and produces CSF. : Maintain blood-brain-barrier and provides structural support. : Myelinate CNS axons. : Phagocytosis of cell debris and wastes. : Surrounds PNS neurons and provides support. : Myelinates the axons in PNS.

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.