Applications of Karyotyping

Applications of Karyotyping • It helps in gender identification. • It is used to detect the chromosomal aberrations like deletion, duplication, translocation, nondisjunction of chromosomes. • It helps to identify the abnormalities of chromosomes like aneuploidy. • It is also used in predicting the evolutionary relationships between species. • Genetic diseases in human beings can be detected by this technique. ; < $ & ' ) % ( * & * Fig. . Human karyotype (male) Human Karyotype Depending upon the position of the centromere and relative length of two arms, human chromosomes are of three types: Metacentric, sub metacentric and acrocentric. The photograph of chromosomes are arranged in the order of descending length in groups from A to G (Fig. . ).