Which one of the following conditions correctly describes the manner of determining the sex?

  • A
    Homozygous sex chromosomes $(ZZ)$ determine female sex in birds.
  • B
    $XO$ type of sex chromosomes determine male sex in grasshopper.
  • C
    $XO$ condition in humans as found in Turner's syndrome,determines female sex.
  • D
    Homozygous sex chromosomes $(XX)$ produce male in Drosophila.

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