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Question:

Match the following genes of the Lac operon with their respective products:(a) I gene (i) β-galactosidase(b) z gene (ii) Permease(c) a gene (iii) Repressor(d) y gene (iv) TransacetylaseSelect the correct option.

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Solution:

Correct option is C. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
In lac operon
i gene - Repressor
z gene - β-galactosidase
y gene - Permease
a gene - Transacetylase.
So, the correct answer is '(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)'