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രണ്ട് മോണോസോമിക് ഗമീറ്റുകളുടെ സങ്കലനഫലമായുണ്ടാകുന്ന അവസ്ഥ ?

Aട്രൈസോമി

Bടെട്രാസോമി

Cനളളിസോമി

Dഇവയെല്ലാം

Answer:

C. നളളിസോമി

Read Explanation:

  • Monosomy is a condition where a person has only one chromosome from a pair, instead of the usual two.

  • Monosomy is the absence of one chromosome from a pair of homologous chromosomes. (2n-1)

  • monosomic gamate(22+22)

  • progeny having 44 chromosome=2N-2

  • Nullisomy is a genetic condition where a species lacks both pairs of its normal chromosomes.

  • In a normally diploid cell, nullisomy is represented by the symbol 2N-2


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