Hmr deficiencies suppress postembryonic lethality in mhr-rescued hybrid females

Hybrid progeny
Dp Hmr+/2sib+/2sibDp Hmr+/2sib and +/2siba
Male parentTemp.bSex of progenyNo. alive (% relative viability)No. alive for referenceNo. dead, eclosedNo. dead, pharate
(A) Df(1)N11025°F (Df/Xsim)
M (Xsim/Yme1)025n.d.n.d.
25°F (Df/Xsim)012109
M (Xsim/Ymel)1 (5.3)19111
(B) Df(1)HC13325°F (Df/Xsim)19 (25.7)744124
M (Xsim/Ymel)13 (22.0)591737
29°F (Df/Xsim)1 (3.8)26224
M (Xsim/Yme1)050118
  • Full genotypes of males crossed to y w f; mhr D. simulans females: (A) Df(1)N110; Dp(1;2)v+75d/CyO males; (B) Df(1)HC133; Dp(1;2)v+75d/CyO males.

  • a Duplication and nonduplication genotypes could not be distinguished among dead animals.

  • b Crosses were kept at 25° for 24 hr after removing the parents and then shifted to the indicated temperature.

  • c Not determined.