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Biology

NEET BiologyClass 12Sex DeterminationMediumStatement based

Question 7 of 10

Regarding sex-determination mechanisms, which statement(s) is/are correct?

  • Statement I: In humans, sex is determined by whether a sperm carrying an X or a Y chromosome fertilises the egg, making the male the heterogametic sex.
  • Statement II: In birds, males are heterogametic (ZW) and females are homogametic (ZZ), the mirror image of the human XY system.

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