Analysis of Paternity within a Natural Population of Chamaelirium luteum. 1. Identification of Most-Likely Male Parents
- 1 August 1986
- journal article
- research article
- Published by University of Chicago Press in The American Naturalist
- Vol. 128 (2), 199-215
- https://doi.org/10.1086/284554
Abstract
The most-likely male parents were identified by using genetic markers and evaluating the statistical likelihoods of paternity for seed collection from known female parents within a natural population of the forest herb Chamaelirium luteum. Likelihoods were determined for a total of 2255 seed, of which male parents were assigned for a subset of 575 seed. These 575 seed could thus be sorted into male sibships as well as female sibships. Within these partial sibships, males had a higher variance in the number of mates, showing a potential for sex-specific selection. Intermate (pollen-flow) distances were found to show more nearby matings than expected on the basis of random mating; however, the incidence of long-distance pollen flow was high compared to findings from studies on other insect-pollinated species. Finally, the variance in the distance to mates was greater among females than among males, again showing a potential for sex-specific selection. The unique discriminatory power provided by the identification of paternity thus affords new insights into the reproductive biology of natural populations.This publication has 27 references indexed in Scilit:
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