A bead-like structure on a chromosome that forms during meiosis, where chromatin is compacted and visible.

The thread-like structures that make up the chromatid, visible during the early stages of cell division.

A type of plastid that contains pigments responsible for the red, orange, and yellow colors in fruits and flowers.

A change in the structure or number of chromosomes that can lead to genetic disorders or new traits in an organism.

The occurrence of different forms or types of chromosomes within a species or population.

A property of a molecule or object that makes it non-superimposable on its mirror image, akin to left- and right-handedness.

A surgical procedure to repair or reconstruct the hand or fingers.

A condition involving spasm or twitching of the muscles in the hand or fingers.

A statistical test used to determine if there is a significant difference between expected and observed frequencies in categorical data.

A long-chain polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and the cell walls of fungi.