Klinefelter Syndrome - 47 chromosomes (XXY), Turner Syndrome - 45 chromosomes (XO). Klinefelter Syndrome is characterized by the presence of an extra X chromosome (XXY), leading to 47 chromosomes. Turner Syndrome results from the absence of one X chromosome, leading to 45 chromosomes (XO).
(b) Order of the differential equation: $ 5x^3 \frac{d^3y}{dx^3} - 3\left(\frac{dy}{dx}\right)^2 + \left(\frac{d^2y}{dx^2}\right)^4 + y = 0 $