Nucleus, membrane-bound organelles, and rod-shaped chromosomes.
During the postnatal stage, the various major systems in the body develop at different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. Thus, option "C" is correct.
<h3>What is postnatal stage?</h3>
The postnatal stage-from infancy to childhood to the juvenile period to adolescence to adulthood-involves growth acceleration and deceleration. Childhood and adolescence are long events, in which adult behaviors are learned, individuals become completely mature, and the reproductive capacity develops.
Thus, option "C" is correct.
To learn more about the postnatal stage click here:
brainly.com/question/11003125
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