The best definition of a gene from the options provided is: "A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids."

Here's why:

1. An organelle that contains genetic information: This is not a gene, but rather a description of the nucleus or mitochondria, which are organelles that contain DNA.

2. A polymer that carries genetic information made up of two strands forming a double helix: This is a description of DNA itself, not a gene. A gene is a segment of DNA.

3. A long strand of DNA and proteins, found in the nucleus of a eukaryotic cell: This is a description of a chromosome, not a gene. A chromosome is made up of DNA and proteins, and contains many genes.

4. A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids: This is the correct definition of a gene. A gene is a segment of DNA that contains the instructions for building a specific protein, which is made up of a sequence of amino acids.

Question

The best definition of a gene from the options provided is: "A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids."

Here's why:

1. An organelle that contains genetic information: This is not a gene, but rather a description of the nucleus or mitochondria, which are organelles that contain DNA.

2. A polymer that carries genetic information made up of two strands forming a double helix: This is a description of DNA itself, not a gene. A gene is a segment of DNA.

3. A long strand of DNA and proteins, found in the nucleus of a eukaryotic cell: This is a description of a chromosome, not a gene. A chromosome is made up of DNA and proteins, and contains many genes.

4. A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids: This is the correct definition of a gene. A gene is a segment of DNA that contains the instructions for building a specific protein, which is made up of a sequence of amino acids.

Knowee AI · Accepted Answer

The best definition of a gene from the options provided is: "A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids."

Here's why:

1. An organelle that contains genetic information: This is not a gene, but rather a description of the nucleus or mitochondria, which are organelles that contain DNA.

2. A polymer that carries genetic information made up of two strands forming a double helix: This is a description of DNA itself, not a gene. A gene is a segment of DNA.

3. A long strand of DNA and proteins, found in the nucleus of a eukaryotic cell: This is a description of a chromosome, not a gene. A chromosome is made up of DNA and proteins, and contains many genes.

4. A small part of the DNA on a chromosome that carries the instructions for a sequence of amino acids: This is the correct definition of a gene. A gene is a segment of DNA that contains the instructions for building a specific protein, which is made up of a sequence of amino acids.

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