Question

which best matches a type of genetic material with its description? nucleotides form a helical structure that is called a gene. genes combine to form structures called nucleotides. chromosomes create genes. dna is located in the nucleus.

Explanation:

Nucleotides are the building - blocks of DNA, not the other way around as stated in the first two options. Genes are segments of DNA, not created by chromosomes in the way stated in the third option. DNA, which is genetic material, is located in the nucleus of eukaryotic cells.

Answer:

DNA is located in the nucleus.