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( ) . (. 14.1).

(Prout, 1962*) Drosophila melanogaster. ; , , , . , .

Drosophila melanogaster . (Thoday, Boam, 1959*) *.

. , . , , . 36- .

. 14- , 30- . . 14.2 , . , , (. 12.1); , . , .

(Streams, Pimentel, 1961*) Drosophila melanogaster . 6, 20, 50 0% ( ) . 20%- , 50%- . , (6%-) .

. 14.2. Drosophila melanogaster . . . I ; II . (Thoday, Boam, 1959.*)




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