Down syndrome (trisomy 21) and Edwards syn-drome (trisomy 18) are the most common autosomal triso-mies seen in human infants. Does this fact mean that thesechromosomes are the most difficult to segregate properlyduring meiosis?

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Chapter9: Patterns Of Inheritance
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Down syndrome (trisomy 21) and Edwards syn-
drome (trisomy 18) are the most common autosomal triso-
mies seen in human infants. Does this fact mean that these
chromosomes are the most difficult to segregate properly
during meiosis?

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