单词	germ line
释义	germ line noun variants or germline ˈjərm-ˌlīn  : the cellular lineage of a sexually-reproducing organism from which eggs and sperm are derived also : the genetic material contained in this cellular lineage which can be passed to the next generation Example Sentences Recent Examples on the Web An international summit on genome editing in 2015 resulted in a report laying out some of the conditions under which editing the human germ line for clinical purposes might one day be allowable. Tanya Lewis, Scientific American, 15 Aug. 2019 The survivors made it into the germ line, so the within-lifetime innovations were passed on to subsequent flowers and pollen. Elizabeth Pennisi, Science | AAAS, 29 Aug. 2019 Researchers have found KoRV DNA in koala sperm, confirming that the virus has indeed taken root in the germ line. Quanta Magazine, 4 Mar. 2015 The germ line cells could later be thawed and used in natural and captive breeding programs. Rebecca Albright, Scientific American, 1 Jan. 2018 Either way, Graham’s politicking altered the germ line of American Christianity. Sarah Jones, New Republic, 22 Feb. 2018 Word History First Known Use 1916, in the meaning defined above Medical Definition germ line noun variants or germline ˈjərm-ˌlīn  : the cellular lineage especially of a sexually reproducing organism from which eggs and sperm are derived and in which a cell undergoing mutation can be passed to the next generation … the difference between gene therapy of somatic cells and modification of the germ line … David Baltimore also : the genetic material contained in this cellular lineage which can be passed to the next generation
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