
Concept explainers
To determine: The family which produces more descendants by the year 2000 among the two families.
Introduction: There are two families given in this case, parents of one family were born in the year 1900 and have twins at the age of 20 and the similar behavior was followed by their children and grandchildren. Similarly, parents of another family were also born in 1900 and undergo delayed reproduction until the age of 33 and finally have triplets. Children and grandchildren of the second family also followed the same behavior as their parents.
To determine: The conclusion about the two families.
Introduction: There are two families given in this case, parents of one family were born in the year 1900 and have twins at the age of 20 and the similar behavior was followed by their children and grandchildren. Similarly, parents of another family were also born in 1900 and undergo delayed reproduction until the age of 33 and finally have triplets. Children and grandchildren of the second family also followed the same behavior as their parents.

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