• Autosomes are homologous chromosomal pairs and sex chromosomes are partially homologous chromosomal pairs.
• Sex chromosomes involve in sex determination and autosomes do not involve in sex determination.
• In sex chromosomes, Y chromosome is shorter and in autosomal pairs both the chromosomes are of the same height.
• In sex chromosomal pair, the position of the centromere may not be the
same and, in autosomal pairs, the position of the centromere is the
For instance in man there are 46 chromosomes in which 44 chromosomes are the autosomes and 2 chromosomes are the sex choromosomes.
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