Question

offspring.
is a cell structure made of dna that gives the master instructions for the cell.
is the process of passing characteristics from parent to offspring.
a chromosome
genetics
gene
heredity
dna

Explanation:

We analyze each option:

• "A chromosome": Chromosomes are cell structures made of DNA that carry genetic instructions. This matches the description of a cell structure with DNA giving master instructions.
• "Genetics": It's the study of genes/heredity, not a cell structure.
• "Gene": A segment of DNA, not the entire structure with master instructions for the cell.
• "Heredity": The process of passing traits, not a cell structure.
• "DNA": The molecule, but the structure made of DNA (with proteins, organized as chromosomes) is what's described. So "A chromosome" is correct.

Answer:

A. A chromosome