Answer:
limbs form the baby has fingers, hands,arms, feet and toes. they can now open and close their fists and mouth
This would be probably true if the assumption that all possible genotypic variations would be equally distributed (so we would have 25% HH, 25% hh and 2x 25 Hh). If this distribution would be true and Huntingtons disease really was a single gene dominant trait diesase, then yes, we could expect such a distribution in the population.
In the nervous system a synapse is a structure that permits a neuron or nerve cell to pass an electrical or chemical signal to another neuron or to the target effector cell