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The influence of the Y‐chromosome of Rb/1Bg mice on agonistic behaviors
Author(s) -
Maxson Stephen C.,
Platt Timothy,
Shrenker Paul,
Trattner Alice
Publication year - 1982
Publication title -
aggressive behavior
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.223
H-Index - 92
eISSN - 1098-2337
pISSN - 0096-140X
DOI - 10.1002/1098-2337(1982)8:3<285::aid-ab2480080305>3.0.co;2-6
Subject(s) - agonistic behaviour , hybrid , aggression , biology , genetics , chromosome , inbred strain , zoology , psychology , developmental psychology , gene , botany
Males of the Rb/lBg and C57BL/10Bg strains, as well as of the Bl0RblF, and RblBlOF1, reciprocal hybrids, were tested for aggression over three daily trials beginning at 50 days of age. The BlORblF, hybrids were sired by Rb/lBg males, and the RblBlOF, hybrids were sired by C57BL/10Bg males. The mean scores for the agonistic acts of chase, wrestle, flank‐bite (but not tail rattle or attack), and the mean “aggression” score (but not mean latencies to first agonistic act or first attack) were significantly higher for BlORblF, than for RblBlOF, hybrids. These findings are consistent with the hypothesis that some aspect(s) of the Rb/lBg Y‐chromosome strain can influence the occurrence of some of the motor patterns of offense but not defense. The Y‐chromosomes of the DBA/1, DBA/2, CBA, and PHH inbred strains have a similar effect on agonistic behaviors.