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STD 12 - 4. principal of inheritance and variation — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
In melandrium the sex determination type is
  • ✓
    $XX-XY$ type
  • B
    $XX-XO$ type
  • C
    $ZZ-ZW$ type
  • D
    $XY-XO$ type
✓

Answer

Correct option: A.
$XX-XY$ type
a
(a) In Melandrium $(the\, garden \,pink)$ a variety of garden flower, sex is determined by $xx-xy$ type or lygaeus type of chromosomes just as in animals.

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