Sex determination is a genetic process of determining the sex of organisms .It helps to determine whether the sex of the organisms will be male or female .
Chromosome are of two types
a- Autosomes or somatic chromosomes- these are regulates somatic characters
b- Allosomes or heterosomes or sex chromosome- these chromosomes are associated with sex determination.
The sex chromosomes first discovered by MC Clung in grasshopper ,X-chromosome was discovered by Henking in 1891and called X-body .
Willson and stevens proposed chromosomal theory of sex determination .
It is evident that the chromosomal mechanisms of sex determination varies in different organisms.
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