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GENETIC LOAD AND THE MATING SYSTEM IN HOMOSPOROUS FERNS
Author(s) -
Hedrick Philip W.
Publication year - 1987
Publication title -
evolution
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.84
H-Index - 199
eISSN - 1558-5646
pISSN - 0014-3820
DOI - 10.1111/j.1558-5646.1987.tb02466.x
Subject(s) - biology , genetic load , inbreeding , ploidy , selection (genetic algorithm) , strain (injury) , mating , ecology , genetics , population , anatomy , gene , demography , artificial intelligence , sociology , computer science
The mutational genetic load was calculated assuming mutation‐selection‐inbreeding equilibrium and applied to homosporous ferns. Diploid species with past inbreeding should have a low genetic load while outcrossers should have a high genetic load. These predictions are consistent with the bimodal pattern of genetic load found in 18 diploid homosporous fern species. The prediction that tetraploids should have a low genetic load is also consistent with estimates of genetic load in several species.