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heredity |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
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heredity /he·red·i·ty/ (-te) 1. the genetic transmission of a particular quality or trait from parent to offspring. 2. the genetic constitution of an individual.
heredity, n the passing on from one generation to their offspring of genetic traits or other tendencies. See also constitution, disposition, terrain, and trait. heredity (hered´itē), n the inheritance of resemblance, physical qualities, or disease from a familial predecessor; the passage of characteristics from one generation to its progeny by genetic linkage. heredity the transmission of genetic traits from parents to offspring. The hereditary material is DNA in the ovum and sperm, so that the offspring's heredity is determined at the moment of conception. Inside the nucleus of each germ cell are structures called chromosomes. A chromosome is composed of deoxyribonucleic acid (DNA) which is associated with histone proteins. Genes are segments of the DNA molecule; there are an estimated 100,000 genes in each cell. Most genes carry code for a specific protein which may be recognized as a specific hereditary trait. These traits are physical, biochemical and physiological. Thus genes affect not only the physical appearance of an animal but also its behavior, physiological makeup, its tendency to develop certain diseases, and the daily activities of all the cells of its body. See also inheritance. |
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Wuhlfkuhle's firm is a partnership owned by Syngenta and DuPont/ Pioneer and began actively licensing those firms' traits and genetic lines last year. A new study indicates that goats representing the earliest two of the five genetic lines inhabited the same location in southwestern Europe by about 7,000 years ago, only 3,000 years after the initial domestication of the animals in the Near East. amp;ldquo;With greater access to genetic lines and traits that farmers want, all our seed brands can offer farmers more seed choice. |
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