In _______ syndrome,the 21^st pair of chromosomes contains an extra chromosome resulting in symptoms such as wide-set almond-shaped eyes and mental retardation. A)PKU B)Down C)Klinefelter's D)Turner's

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The extra chromosome in the 21st pair is characteristic of Down syndrome, and the symptoms mentioned (wide-set almond-shaped eyes and mental retardation) are common features of the syndrome. PKU is a genetic disorder that affects the body's ability to break down an amino acid called phenylalanine. Klinefelter's syndrome is a disorder in which males have an extra X chromosome, while Turner's syndrome is a disorder in which females are born with only one X chromosome.

In _______ Syndrome,the 21st Pair of Chromosomes Contains an Extra

In _______ Syndrome,the 21^st Pair of Chromosomes Contains an Extra