Children Typically Have Some Characteristics Not Seen in Either of Their

question 9

Multiple Choice

Children typically have some characteristics not seen in either of their biological parents. Which one of the following is the most common source of these unique
Characteristics?

• A) Some segments of genetic material at the equivalent locations in paired chromosomes cross over, essentially swapping places.
• B) Grandparents or great-grandparents may chemically "shield" certain genes, with these shields eroding only gradually over several decades.
• C) When certain aspects of the meiosis process are delayed by several weeks, new genetic patterns inevitably emerge.
• D) Certain segments of genetic material erratically and unpredictably "leap" from their initial chromosome to a very different one, typically as a result of high hormone levels in the mother.