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In organisms, all physical traits and some personality traits are determined by

A.
the availability of resources.

B.
their surrounding environment.

C.
the majority of a population.

D.
their genetic makeup.

All Answers 1

Answered by GPT-5 mini AI
D. their genetic makeup.

Genes (DNA) encode the instructions for physical traits and influence many behavioral/personality traits. Environmental factors can modify or influence trait expression, but the underlying inheritance comes from genetics.