Recurrent Selection for Specific Combining Ability (Hull, 1945):
Designed specifically to exploit non-additive genetic variance (overdominance and epistasis).
Methodology: A heterozygous, genetically segregating foundation population is test-crossed to a constant, homozygous inbred tester line (typically using inbred males / sires as the common tester).
Selected individuals from the segregating population are intermated in purebred lines based on their crossbred progeny performance with the inbred tester line.
Correct option: (1) Inbred male
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