Which best describes the storage of the genetic code

Which best describes the storage of the genetic code? A gene is a segment of DNA, a condensed DNA molecule makes up a chromosome, a chromosome is inside a nucleus, and a nucleus is contained within a cell. A DNA molecule is a segment of a gene, a gene makes up a chromosome, a chromosome is inside a cell, and a cell is contained within a nucleus. A gene is a segment of a chromosome, a condensed chromosome makes up a DNA molecule, a DNA molecule is inside a nucleus, and a nucleus is contained within a cell. A DNA molecule is a segment of a chromosome, a chromosome makes up a gene, a gene is inside a cell, and a cell is contained within a nucleus

The Correct Answer and Explanation is:

The correct description of the storage of the genetic code is: “A gene is a segment of DNA, a condensed DNA molecule makes up a chromosome, a chromosome is inside a nucleus, and a nucleus is contained within a cell.”

Explanation:

1. Gene as a segment of DNA: A gene is a specific sequence of DNA that codes for a particular protein or function. It is a part of a DNA molecule.
2. Condensed DNA molecules make up chromosomes: In eukaryotic cells, the DNA is tightly coiled and condensed into structures known as chromosomes. Each chromosome contains a long strand of DNA that is coiled around proteins called histones.
3. Chromosome inside the nucleus: In eukaryotes, the chromosomes are stored inside the nucleus of the cell. The nucleus acts as a protective compartment that holds and organizes the cell’s genetic material. Prokaryotic cells (like bacteria) do not have a nucleus, and their DNA is stored in the cytoplasm.
4. Nucleus inside a cell: The nucleus is an organelle within the cell that houses the chromosomes. It is surrounded by a double membrane, known as the nuclear envelope, which separates the genetic material from the cytoplasm of the cell.

This flow of information—starting from the gene to the DNA molecule, to the chromosome, to the nucleus, and finally to the cell—accurately represents how genetic information is organized and stored in eukaryotic organisms.