Difference between karyotype and Idiogram

Differences between karyotype and idiogram

Karyotype

1. karyotype is the characterisation of the chromosomes of an individual species or of an organism
2. Chromosome shape, number,centromere position, secondary constrictions  are used for making karyotype
3. It is used to identify any large scale changes in the chromosome like addition, deletion etc.

Idiogram

1. It is a diagram that depicts the arrangement of chromosomes obtained  by karyotyping
2. Here the homologous chromosome pairs are arranged based on decreasing size of the chromosomes
3. It is useful for identifying genes in chromosomes and also in detecting chromosomal abnormalities

img source - https://home.cc.umanitoba.ca/~frist/PLNT3140/l18/Idiogram_panel3.jpg