Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

42Maggenti and Gardnerunlike chromosome sets.alloscutum n. [Gr. allos, other; L. scutum, shield] (ARTHRO:Chelicerata) In Acari, the dorsal part of the exoskeletonposterior to the scutum of larval ticks.allosematic color Having protective coloration resembling thatof dangerous or inedible species; aposematic color; Batesianmimicry. see sematic.allosomal inheritance The inheritance of characters producedby genes in an allosome.allosome n. [Gr. allos, other; soma, body] A chromosome deviatingin size, form or behavior from other chromosomes,usually a sex-chromosome; heterochromosome. see autosome.allosynapsis see allosyndesisallosyndesis n. [Gr. allos, other; syndesis, a binding together]In polyploids, pairing of completely or partially homologouschromosomes that were introduced into the zygote by thesame gamete at fertilization. see autosyndesis.allotetraploid n. [Gr. allos, other; tetraploos, fourfold; eidos,form] A tetraploid produced when a hybrid derived from agenetically different parent doubles its chromosome number;amphidiploid.allotherm n. [Gr. allos, other; therme, heat] Any organismdependent on environmental temperature for its own bodytemperature. see poikilothermal, ectotherm.allotopotype n. [Gr. allos, other; topos, place; typos, type] Anallotype obtained from the original locality.allotriomorphic a. [Gr. allotrios, abnormal; morphe, shape]Displaying an abnormal or unexpected shape.allotriploid n. [Gr. allos, other; triploos, threefold; eidos,form] A triploid with two similar and one dissimilar chromosomesets. see autotriploid.allotrophic a. [Gr. allos, other; trophe, nourishment] Referringto organisms dependent upon other organisms for nutrition;heterotrophic.allotropism n. [Gr. allos, other; tropos, turn] The propensityof attraction of certain cells or structures; allotropy.