Which of the following conditions correctly describes the manner of determining the sex in the given example?

  • A
    Homozygous sex chromosome $XX$ produces male in $Drosophila$.
  • B
    $XO$ type of sex determines male sex in grasshopper.
  • C
    Homozygous sex chromosome $ZZ$ determines female sex in birds.
  • D
    $XO$ condition in humans as found in Klinefelter's syndrome determines female sex.

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