Each of the 10 children born to ernest and elvira orangeburg has been born with red hair. each child is also very intelligent and athletic. the orangeburg's are expecting an 11th child who is also likely to be born with the same traits, according to as described in the

nature; Nature versus Nurture controversy

Explanation:

Nature versus nurture controversy / debate involves extent to which the particular aspects of the behavior are the product of either inherited  or acquired influences.

Thus, having red eyes is a factor of nature and such case study is described in the Nature versus Nurture controversy.

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.