<prompt> Banding technique most commonly employed for cytogenetic analysisG bandingC bandingR bandingQ banding  <response>: G-banding most common R-banding Q-banding C-banding T-banding G stands for Giemsa R stands for reverse Q stands for Quinacrine Fluoroescent dye C stands for Constitutive heterochromatin or Centromere T stands for telomeres to produce a visible karyotype Dark regions are heterochromatin AT Light regions are Euchromatin GC Dark regions are euchromatin Bright regions are heterochromatin 