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Which of the following statements are false?
$I.$ A Dominant allele determines the phenotype when paired with a recessive allele
$II.$ A recessive 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
$II, I$ and $IV$
$II, III$ and $IV$
$I, II$ and $III$
$I, III$ and $IV$
Solution
A recessive allele is not weaker than the dominant allele. It (recessive allele) does not shows its effect (in the presence of dominant allele) because of modified or different enzymes. A recessive allele make its gene product even when paired with the dominant allele. It is not necessary that dominant allele always better (in the case of dominant disease)
