Principle Of Inheritance And Variation Question 403
Question: 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.
Options:
A) (ii), (i) and (iv)
B) (ii) and (iv)
C) (i), (ii) and (iii)
D) (i), (iii) and (iv)
Show Answer
Answer:
Correct Answer: B
Solution:
[b] A recessive allele is not weaker than the dominant allele.
It (recessive allele) does not show its effect (in the presence of dominant allele) because of modified or different ’enzymes.
A recessive allele makes its gene product even when paired with the dominant allele.
It is not necessary that dominant allele is always better (in the case of dominant disease).
BETA
