INBREEDING IN POPULATIONS WITH OVERLAPPING GENERATIONS | Zendy

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INBREEDING IN POPULATIONS WITH OVERLAPPING GENERATIONS

Author(s) -

D L Johnson

Publication year - 1977

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/87.3.581

Subject(s) - inbreeding , biology , genetics , evolutionary biology , matrix (chemical analysis) , overlapping generations model , demography , population , materials science , macroeconomics , sociology , economics , composite material

An inbreeding matrix is defined for populations with overlapping generations. In the short term it can be expressed in terms of a matrix specifying the passage of genes between the different age groups (and sexes) and a diagonal matrix whose elements depend on the number of individuals in each age group. Formulae for the inbreeding effective number are derived using matrix theory. A comparison is made between the inbreeding coefficients predicted by this theory and those obtained by assuming a uniform rate of inbreeding from the outset, and these in turn are compared with the exact inbreeding coefficients.

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