Consider the following statements regarding Down Syndrome:\n1. It is primarily caused by maternal non-disjunction during Meiosis I.\n2. Karyotypic analysis reveals 47 chromosomes with an extra copy of chromosome 21.\n3. The risk of Down syndrome in offspring decreases significantly as maternal age increases.\nWhich of the statements given above is/are correct?

Options:

• A: 2 and 3 only
• B: 1 and 3 only
• C: 1 and 2 only
• D: 1, 2 and 3

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