Scientists have found that the offspring of ____stand an increased risk of developing schizophrenia and autism, presumably because the sperm of older men are more prone to mutations.
A) older fathers
B) older mothers
C) younger mothers
D) younger fathers

Question

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Studies have shown that the offspring of older fathers have an increased risk of developing schizophrenia and autism, likely due to mutations in the sperm that accumulate as men age.

Scientists Have Found That the Offspring of ____Stand an Increased