"And can you please tell me the difference between nonrandom variation and directed variation ? I 'd also like a link to verify what you say . Thank you . God Bless !"
"Directed variation seems unlikely : http : //www.blackwellpublishing.com/r ... ariation17.asp Would not selection of mating partners produce nonrandom variation ?"
"tell me the difference between nonrandom variation and directed variation"
"Directed variation seems unlikely : http : //www.blackwellpublishing.com/r"