The researchers studied how different cotton crosses affect yield and fiber traits. They used five populations for four specific crosses and found that some traits showed overdominance, while others exhibited partial dominance. Heterosis effects were positive for seed cotton yield and lint cotton yield. Inbreeding depression was significant for certain traits. Additive and dominance effects were highly significant for yield traits. Epistasis values showed complementary action with non-additive effects. Heritability values were high for most traits, except for seed cotton and lint cotton yield. Fiber quality traits had high heritability values in three crosses.