Question

portions of dna that code for proteins are called __________. rna chromosomes genes pigments chromosome

Explanation:

To solve this, we analyze each option:

• RNA: A nucleic acid, not a DNA portion coding for proteins. Eliminate.
• Chromosomes: Structures containing DNA, not the coding portions. Eliminate.
• Genes: Defined as DNA segments that code for proteins. Correct.
• Pigments: Molecules for color, unrelated. Eliminate.

Answer:

C. genes (assuming the third option is labeled C; if options are unlabeled, "The third option (genes)")