Explore: Chromosome Banding

produce 300–400 bands in a normal, human genome. It is the most common chromosome banding method. R-banding is the reverse of G-banding (the R stands for

G-banding, G banding or Giemsa banding is a technique used in cytogenetics to produce a visible karyotype by staining condensed chromosomes. It is the

Techniques used include karyotyping, analysis of G-banded chromosomes, other cytogenetic banding techniques, as well as molecular cytogenetics such as

Chromosome 2 is one of the twenty-three pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 2 is the second-largest

Chromosome 21 is one of the 23 pairs of chromosomes in humans. Chromosome 21 is both the smallest human autosome and chromosome, with 46.7 million base

Chromosome 17 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 17 spans more than 84 million

introduction of chromosome banding techniques in the 1970s (e.g. Q-banding and G-banding) allowed more precise identification of individual chromosomes and their

Chromosome 22 is one of the 23 pairs of chromosomes in human cells. Humans normally have two copies of chromosome 22 in each cell. Chromosome 22 is the

their length, the position of the centromeres, banding pattern, any differences between the sex chromosomes, and any other physical characteristics. The

some Y chromosome data. G-banding ideograms of human Y chromosome The human Y chromosome is normally unable to recombine with the X chromosome, except