5
Pre-breeding involves:
EXPLANATION
Modern & Innovative Breeding Approaches
- Comprehensive Definition of Pre-Breeding: Pre-breeding refers to all activities designed to identify desirable traits and genes from unadapted exotic materials and crop wild relatives (CWR) and transfer them into intermediate breeding populations.
- Key Dimensions:
- Identification and characterization of novel traits not found in the cultivated gene pool.
- Transfer of genes to broaden the genetic base of modern cultivars.
- Overcoming severe linkage drag and sexual hybridization barriers through backcrossing and marker selection.
- Conclusion: Statements 1, 2, and 3 are all integral components of pre-breeding. (Correct answer: Option 4)
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