Which structure carries genetic information?

protein
chromosome
centromere
nucleus

Chromosome

The structure that carries genetic information is the chromosome.

The structure that carries genetic information is the chromosome.

To arrive at this answer, let's break down the question and examine each option:

1. Protein: While proteins play a critical role in various biological processes and can be involved in gene regulation, they do not carry the genetic information itself.

2. Chromosome: A chromosome is a thread-like structure composed of DNA and proteins. It is responsible for carrying the genetic material (genes) in most organisms, including humans. Chromosomes are located within the nucleus of the cell.

3. Centromere: The centromere is a specific region on a chromosome where the two sister chromatids are connected. It helps in the separation of chromosomes during cell division, but it does not carry genetic information itself.

4. Nucleus: The nucleus is an organelle found in eukaryotic cells that contains the chromosomes. It acts as a control center for the cell, housing the genetic information stored in the chromosomes.

Considering the options and their functions, the correct answer is the chromosome because it carries the genetic information in the form of genes.