On the relation between gene flow theory and genetic gain

Genetics Selection Evolution

John A Woolliams¹  Piter Bijma² 

[1] Roslin Institute (Edinburgh), Roslin, Midlothian EH25, 9PS, UK;Animal Breeding and Genetics Group, Wageningen Institute of Animal Sciences, Wageningen University, P.O. Box 338, Wageningen, The Netherlands

关键词: selection response;    overlapping generations;    gene flow;    genetic gain;   

Others  :  1094836
DOI  :  10.1186/1297-9686-32-1-99

 received in 1999-06-29, accepted in 1999-10-19,  发布年份 2000

【 摘 要 】

In conventional gene flow theory the rate of genetic gain is calculated as the summed products of genetic selection differential and asymptotic proportion of genes deriving from sex-age groups. Recent studies have shown that asymptotic proportions of genes predicted from conventional gene flow theory may deviate considerably from true proportions. However, the rate of genetic gain predicted from conventional gene flow theory was accurate. The current note shows that the connection between asymptotic proportions of genes and rate of genetic gain that is embodied in conventional gene flow theory is invalid, even though genetic gain may be predicted correctly from it.

【 授权许可】

   
2000 INRA, EDP Sciences