what do you understand by sex chromosomes? discuss in brief
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Explanation:
A sex chromosome is a type of chromosome that participates in sex determination. Humans and most other mammals have two sex chromosomes, the X and the Y. Females have two X chromosomes in their cells, while males have both X and a Y chromosomes in their cells.
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Answer:
The 23rd pair of chromosomes are called sex chromosomes . They decide the gender of the person .
XX=Girl
XY=Boy .
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