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chromosome

The definition of a chromosome is a thread-like structure of DNA (nucleic acids and proteins) that carries genes.

(noun)

The "X" or "Y" gene that determines whether you will be a boy or a girl is an example of a chromosome.

See chromosome in Webster's New World College Dictionary

noun

any of the microscopic rod-shaped bodies formed by the incorporation of the chromatin in a cell nucleus during mitosis and meiosis: they carry the genes that convey hereditary characteristics, and are constant in number for each species

see cell,

Origin: chromo- + -some

Related Forms:

chromosomal adjective

See chromosome in American Heritage Dictionary 4

noun

A threadlike linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information.
A circular strand of DNA in bacteria that contains the hereditary information necessary for cell life.

Related Forms: