NEET Botany Gene Regulation MCQ Question
Which of the following statements about gene expression and regulation is correct?
The expression of genes is solely dependent on genetic factors and does not involve environmental conditions.
Beta-galactosidase synthesis in E. coli is regulated by the presence of lactose in the environment.
The development of an embryo into an adult organism does not require coordinated regulation of gene expression.
Gene expression remains constant regardless of the cell's metabolic or physiological state.
Correct Answer
Detailed Explanation
Statement B correctly indicates that the synthesis of beta-galactosidase in E. coli is regulated by the presence of lactose, aligning with the concept that environmental conditions can influence gene expression. The other statements misrepresent the nature of gene regulation.
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