Question

what is the correct ordering of nucleus, chromosome, and gene from smallest to largest?
a nucleus, chromosome, gene
b gene, nucleus, chromosome
c gene, chromosome, nucleus
d nucleus, gene, chromosome

Explanation:

Genes are segments of DNA on chromosomes. Chromosomes are located within the nucleus. So genes are the smallest, then chromosomes, and the nucleus is the largest.

Answer:

C. gene, chromosome, nucleus