TABLE 3

Hybrid lethality depends on the species origin of the X

Genotype of D. melanogaster female
Lhr D. simulans males)a
F1 femalesF1 malesTotal
progeny
BreakpointsDfBalRatioDfBalRatio
  1C(1)M4, y2;Df(2L)al21C1;21C7331.0001572020.777365
  2C1(M4), y2;Df(2L)J-H027C02-09;028B03-0412450.2678087991.0111664
  3C(1)M4, y2;Df(2L)Prl032F01-03;033F01-02120.50045820.549130
  4C(1)M4, y2;Df(2L)pr-A16037B02-12;038D02-051540.019802420.331377
  5C(1)M4, y2;Df(2L)TW2037D05-E01;038E06-09010.00061750.813137
  6C(1)M4, y2;M(2)41A1041A020.0002814630.607746
  7C(1)M4, y2;Df(2R)nap14041BC;042A16-B010026181.44444
  8C(1)M4, y2;Df(2R)Np3044D02-E01;045B08-C01010.000632050.307269
  9C(1)M4, y2;Df(2R)stan2046F01-02;047D01-0200871250.696212
10bC(1)M4, y2; Df(2R)en-B047E03;048A04006920.06598
C(1)M4, y2;Df(2R)en-A047D03;048B02001311400.936271
11C(1)M4, y2;Df(2R)trix051A01-02;051B06001511181.280269
12C(1)M4, y2;Df(2R)PK1057C05;057F05-0610198832.386282
13C(1)M4, y2;Df(2R)Px2060C05-06;060D09-101150.0673662261.619608
14C(1)M4, y2;Df(3L)ZN47064C;065C00370.42910
15C(1)M4, y2;Df(3L)st-f13072C01-D01;073A03-04001831321.386315
16C(1)M4, y2;Df(3L)Δ1AK079E05-F01;079F02-0600119701.700189
17C(1)M4, y2;Df(3R)T-61086E03;087A09002211911.157412
18C(1)M4, y2;Df(3R)mbc-30095A05-07;095C10-11020.000106412.585149
Total6547
  • a See Figure 1B for cross scheme.

  • b Two deficiencies were tested for this region. The initial cross, involving Df(2R)en-B, was anomalous as Df hybrid males are rare. Retesting with Df(2R)en-A clearly shows that hybrids hemizygous for this region become viable when given a D. simulans X.