Chromosome n., plural: chromosomes [ˈkrəʊməˌsəʊm] Definition: a cell structure that bears the genetic material Table of Contents Chromosomes Definition Chromosomesare thread-like structures present in thenucleusofplantandanimal cells. Chromosomes are the vehicle that carriesDNA(the...
a combining form meaning “color,”“pigment” (chromophil) or, by extension, “chromosome” (chromonema). [< Greek, comb. form of chrôma color] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights...
chromosome. some 4 [ suhm;unstressedsuhm ] Phonetic (Standard)IPA adjective being an undetermined or unspecified one: Some person may object. (used with plural nouns) certain: Some days I stay home. of a certain unspecified number, amount, degree, etc.: ...
ovary- (vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone ovotestis- hermaphroditic gonad that contains both testicular and ovarian tissue ballock,testicle,testis,orchis,egg,ball,nut- one of the two male reproductive glands that produce spermatozoa and secret...
Although it is clear that men and women often respond differently to toxicants, the discussants agreed that predicting just how the sexes will respond, and when they will respond differently, has not proved simple because, Silverstone said, of the limited amount of data at this time. Sex matt...
Binary fission is the type of cell division that takes place in prokaryotes (bacteria and archaea). Genetic material (nucleoid) in these cells is arranged in a single circular chromosome of the DNA. In a similar fashion to eukaryotes, the genetic material of these cells is duplicated before ...
Genetic disorders include any of a variety of disorders caused by mutations, changes or errors in the genetic code. They can be simple errors at the gene level or can involve entire chromosomes. The extent of the disorder is wholly based on the gene(s) or chromosome(s) involved. ...
Genetics.a type of chromosomal aberration in which the position of a segment of the chromosome is changed in such a way that the linear order of the genes is reversed.Comparechromosomal aberration. Phonetics.retroflexion(def3). Also calledat·mos·pher·ic in·ver·sion[at-m, uh, s-, fer...
barb - one of the parallel filaments projecting from the main shaft of a feather cobweb, gossamer - filaments from a web that was spun by a spider chromatid - one of two identical strands into which a chromosome splits during mitosis myofibril, myofibrilla, sarcostyle - one of many contra...
Several genes have been associated with higher incidences of AD, although the exact role of these genes still is unclear. Discovered by researchers at Duke University in the early 1990s, potentially the most important genetic link to AD is on chromosome 19. A gene on this chromosome, called ...