Gene for Gene hypothesis was 1st observed in
A. Linseed rust
B. Mango rust
C. Wheat black rust
D. Wheat brown rust
Answer: Option A
Solution(By Examveda Team)
Gene for Gene hypothesis was 1st observed in Linseed rust.The gene-for-gene relationship was discovered by Harold Henry Flor who was working with rust (Melampsora lini) of flax (Linum usitatissimum).
The inheritance of both resistance in the host and parasite's ability to cause disease is controlled by pairs of matching genes. One is a plant gene called the resistance (R) gene. Gene-for-gene relationships are a widespread and very important aspect of plant disease resistance.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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