The human karyotype contains 22 pairs of autosomal chromosomes and a pair of sex chromosomes. The normal karyotype for a female contains a pair of X chromosomes, whereas the normal karyotype for a male contains an X and a Y chromosome . Variations in the human karyotype can lead to genetic disorders such as Down's Syndrome or Klinefelter's Syndrome.References
- ↑ Hartl,D.Jones,W. (2008)Genetics: Analysis Of Genes And Genomes, 7th edition,Jones & Bartlett Publishers.