The process of myelination of the corpus callosum is largely complete by the age enabling the integration of logical and emotional functioning.

a. two
b. six
c. four
d. eight

The correct answer will be option-D

Explanation:

Corpus callosum is a nerve tract present below the cerebral cortex found in the placental mammal only. The nerve tract is thick and wide and connects the right and light cerebral hemispheres.

The structure contains about 200 million neurons with varying degree of myelination of neurons.

The studies on corpus callosum has shown that corpus callosum is formed after 20 weeks of gestation and continuously grows after birth. The  process of myelination which is the formation of myelin sheath around neurons takes place upto 8-9 years.

Thus, option-D is the correct answer.

answer: ‘no one should be discriminated against because he or she is not from a minority group’

because—> affirmative action means ‘a policy or program that provides opportunities for traditionally disadvantaged groups to them overcome the effects of discrimination’