Abstract:
:Sixty-six mice of 11 genetic stocks (the Bailey recombinant inbred strains CXBD, CXBE, CXBG, CXBH, CXBI, CXBJ, CXBK; their progenitor strains, BALB/cBy and C57BL/6By: and the reciprocal hybrids, B6CF and CB6F) were tested in a two-compartment apparatus and in a shuttlebox, with five measures taken relating to activity and to approaches to novel and complex stimuli. A factor analysis of these measures revealed two factors, the first involving behavior relating to novel stimuli and the second relating to locomotor activity. In a second experiment, 132 mice of the same strains were tested on four of the measures used previously. On the two measures which had high loadings on the first factor and very low loadings on the second, it was possible to determine a strain distribution pattern (SDP), with the same SDP being found for both measures. When confirmed by testing mice from two congenic histocompatibility strains H(w54) and H(w80), we were able to determine that avoidance of novel/complex stimuli (neophobia) is controlled by a gene or genes at chromosomal segments H-24c and H-1b. It was also found that a polygenic model is consistent with behavior measured by the second (activity) factor.
journal_name
Behav Genetjournal_title
Behavior geneticsauthors
Simmel EC,Eleftheriou BEdoi
10.1007/BF01066277subject
Has Abstractpub_date
1977-05-01 00:00:00pages
239-50issue
3eissn
0001-8244issn
1573-3297journal_volume
7pub_type
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journal_title:Behavior genetics
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