Suppose a couple wished to have children, but did not want to risk passing along a particular autosomal recessive disease. using the labels m for the normal allele and m for the disease-related allele, list the possible genotypic combinations for the man and woman that would allow them to have children without risking transmission of the disease.

The correct answers is - Organism > Cell > Chromosome > gene > nucleotide.

Explanation:

Organisms are the largest among all these as they are made up of organs that made up of tissues and tissues are made up of cells. Cells are the second largest item among these items which contains various components in them and known as a unit of the structure of organisms.

In cells chromosome presents that are made up of protein and DNA, a particular sequence of DNA is known as gene, therefore, it is smaller than the chromosomes and in the last monomer of the DNA which is nucleotide made up of phosphate group, sugar and nitrogenous bases.