A thread-like structure found in the nucleus of animal and plant cells, composed of proteins and nucleic acids, that carries genetic information.

the material that makes up chromosomes in cell nuclei; a stainable genetic material consisting of DNA and proteins

A chromosome involved in determining the biological sex of an organism; for example, humans have X and Y sex chromosomes.

a chromosomal condition characterized by an additional chromosome, such as Down syndrome

the number of sets of chromosomes in a cell or an organism

one of the two identical halves of a replicated chromosome

one of the two identical copies of a replicated chromosome that are still joined by a centromere

a chemical stain used in medicine to distinguish blood cells and identify blood-borne parasites

any chromosome that is not a sex chromosome

Gram stain; a laboratory method used to distinguish between two major groups of bacteria based on the chemical and physical properties of their cell walls

a large chromosome consisting of many parallel strands of DNA, common in the salivary glands of some insects

Any chromosome that is not a sex chromosome, such as the 22 pairs in humans that are not X or Y.

a chromosome involved in determining the biological sex of an organism