Genetics. Designating a chromosome which is present in addition to the normal complement of chromosomes in an individual or species, and which is…

Designating an autosome; of, relating to, or characteristic of an autosome or autosomes; located on an autosome; determined by a gene located on…

Used attributively to designate chromosomes having numerous paired lateral projections or loops, which loops are usually apparent only during…

Of or pertaining to a trisome.

having six of one or more chromosomes in a nucleus that is not hexaploid.

Of or pertaining to a tetrasome. Also as n., a tetrasomic chromosome, cell, or individual.

Having or designating a diploid chromosome complement in which one (or occasionally part of one or more than one) chromosome lacks its homologous…

Designating or relating to giant chromosomes found in certain meiotic interphase nuclei (esp. in dipterous insects) and composed of many…

= polytene, adj.

Of or relating to a polysome (polysome, n. 1).

Of genetic material in a chromosome: reduplicated so as to result in a polytene chromosome; subjected to polytenization.