And introduced crab predator favors medium brown crabs while avoiding the dark brown and light brown crabs predict how this selection pressure will affect the relative frequency of the B and b
alleles in the future generations of crabs assume all other selection pressures remain the same and that there is no migration of crabs into or out of the population

answer; the above statement/question is (false);

loss of sensation to pressure and touch

the dorsal column–medial lemniscus pathway (dcml) (also known as the posterior column-medial lemniscus pathway (pcml)) is a sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (position) from the skin and joints.