Siroun is informed that both of her one-year-old twin daughters are of "normal" weight. She is then informed that one weighs 16 pounds and the other weighs 26 pounds. How is this possible?
A)One of the twins likely has Down syndrome.
B)The daughters were likely misweighed.
C)The "normal" weight range of one-year-olds is very wide.
D)The initial "normal" information was incorrect.

Question

Quizplus · Accepted Answer

The "normal" weight range for one-year-olds is very wide, typically between 15-30 pounds. Therefore, it is possible for one twin to weigh 16 pounds and the other to weigh 26 pounds and still be within the normal range.

Siroun Is Informed That Both of Her One-Year-Old Twin Daughters