Which of the following statements are incorrect? (i) A dominant allele determines the phenotype when paired with a recessive allele. (ii) A recesive allele is weaker than a dominant allele. (iii) A recessive allele do not shows its effects when paired with a dominant allele. (iv) A dominant allele is always better for an organism.

• A. (ii), (i) and (iv)
• B. (ii) and (iv)
• C. (i), (ii) and (iii)
• D. (i), (iii) and (iv)