Explanation:
The 47,XXY karyotype of Klinefelter syndrome spontaneously arises when paired X chromosomes fail to separate (nondisjunction in stage I or II of meiosis, during oogenesis or spermatogenesis
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Explanation:
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A aquifer<span> names an underground area that collects and holds a large amount of water.
I know this because an aquifer collects water.
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3)false
4)blood pressure
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