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Clonal selection for crop improvement is done in Aruna and NP 836 PV-18 and Kalyan Sona HUW-468 and Atomita-2 Kufri safed potato and Bombay Navel

Clonal selection for crop improvement is done in
  1. Aruna and NP 836
  2. PV-18 and Kalyan Sona
  3. HUW-468 and Atomita-2
  4. Kufri safed potato and Bombay Navel

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
6 years ago
The correct option is 4.
Clonal selection theory is a scientific theory in immunology that explains the functions of cells (lymphocytes) of the immune system in response to specific antigens invading the body. The concept was introduced by an Australian doctor Frank Macfarlane Burnet in 1957 in an attempt to explain the formation of a diversity of antibodies during initiation of the immune response. The theory has become a widely accepted model for how the immune system responds to infection and how certain types of B and T lymphocytes are selected for destruction of specific antigens.

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