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SEX CHROMOSOMES

 Sex chromosomes are sex determining chromosomes in males and females. In males the sex
chromosomes are XY, in females it is XX.
 The X chromosome in humans is submetacentric belonging to ‘C’ group.
 The X chromosome is notably larger and has a more active euchromatin region.
 The Y chromosome is acrocentric and belongs to ‘G’ group.
 Because only males have the Y chromosome, the genes on this chromosome tend to be involved in
male sex determination and development.

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