the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
a part of the cell containing DNA and RNA and responsible for growth and reproduction
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the positively charged dense center of an atom
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
(genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
hereditary succession to a title or an office or property
any attribute or immaterial possession that is inherited from ancestors; "my only inheritance was my mother's blessing"; "the world's heritage of knowledge"
(genetics) attributes acquired via biological heredity from the parents
that which is inherited; a title or property or estate that passes by law to the heir on the death of the owner
the repetition of an experiment in order to test the validity of its conclusion; "scientists will not believe an experimental result until they have seen at least one replication"
(law) a pleading made by a plaintiff in reply to the defendant's plea or answer
(genetics) the process whereby DNA makes a copy of itself before cell division