In organisms, expression of traits are controlled by ________

chromosomes

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hormones

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genes

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nervous system

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Solution

The correct option is C
genes

Expression of traits in organism is controlled by genes. Genes code for proteins which could be directly involved in the expression of traits or enzymes controlling the metabolic pathways of molecules related to the expression of traits.

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Similar questions

In living organisms, expression of traits are controlled by ________.

The life processes in humans are controlled and regulated by:
A. Reproductive and endocrine systems.

B. Respiratory and nervous systems.

C. Endocrine and digestive systems.

D. Nervous and endocrine systems.

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