Question

what basic unit of heredity is found on segments of dna and are passed on from parent to offspring?
nucleotide
gene
phosphate molecule
deoxyribose sugar

Explanation:

Identify the core question

The question asks for the basic unit of heredity located on segments of DNA that is passed from parent to offspring.

Analyze the given options

• nucleotide: The basic chemical building block of DNA and RNA, not the functional unit of heredity itself.
• gene: A specific segment of DNA that contains instructions for making proteins and acts as the basic physical and functional unit of heredity.
• phosphate molecule: A structural component of the DNA backbone.
• deoxyribose sugar: A structural sugar component of the DNA backbone.

Select the correct option

The definition of a gene matches the description of the basic unit of heredity passed from parent to offspring.

Answer:

• nucleotide
• gene (Correct answer)
• phosphate molecule
• deoxyribose sugar