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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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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
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
View answer and explanation
Correct option: B
II, III and IV
Option B (II, III and IV) is correct because a recessive allele is not weaker, it is simply masked by a dominant allele. A recessive allele does show its effect when paired with another recessive allele. A dominant allele is not always better for an organism.
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