RESPONSES TO SELECTION FOR BODY WEIGHT IN DESCENDANTS OF X-IRRADIATED RATS | Zendy

Daniel Gianola | Zendy; A. B. Chapman | Zendy; J. J. Rutledge | Zendy

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RESPONSES TO SELECTION FOR BODY WEIGHT IN DESCENDANTS OF X-IRRADIATED RATS

Author(s) -

Daniel Gianola,

A. B. Chapman,

J. J. Rutledge

Publication year - 1979

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/91.3.627

Subject(s) - selection (genetic algorithm) , biology , body weight , irradiation , genetics , zoology , endocrinology , physics , artificial intelligence , computer science , nuclear physics

The effectiveness of selection for high and low body weight at six weeks of age was studied in descendants of X-irradiated (R) and nonirradiated (C) inbred rats. There were two replicates of each of the direction of selection irradiation treatments. In C lines, there were no consistent responses to selection, probably due to a low level of genetic variability. In R rats, selection was effective only for decreased body weight. The results of this experiment do not suggest the use of irradiation combined with selection as a means of enhancing responses to selection in animals.

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