Barr bodies (seen in saliva test in Olympic games) are found in human and are associated with

  • [AIPMT 1992]
  • A

    Male autosome

  • B

    Female autosome

  • C

    Female sex chromosome

  • D

    Male sex chromosome

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Knowing that albinism is determined by a recessive gene in man; presence of albinism in children born to a couple proves that

  • [AIIMS 1992]

When whole blood is stored with an anticoagulant at $4^\circ C$, the ${K^ + }$ ions move out from the $RBC$ into the plasma. The most likely reasons for this is that

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The gene which increases the frequency of mutation in other gene is referred to as

Meta-females have

Genic balance theory of sex determination was proposed by