Question

In recent past, human chromosomes have been studied by a technique using specific, often fluorescent dyes, known as

• A. Dyeing technique
• B. Banding technique
• C. Ultra dyeing technique
• D. Karyotyping technique

Answer 1

The correct option is B Banding technique

In metaphase, chromosomes can be identified using certain staining techniques, so called banding. Cells are cultured and then stopped in metaphase to maximize the number of suitable cells. They are then spread on a slide, stained with a suitable dye and visualized in the microscope.