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Re: HYB: ?heredity of orange questions?

  • Subject: Re: HYB: ?heredity of orange questions?
  • From: Linda Mann <lmann@lock-net.com>
  • Date: Tue, 06 Jan 2009 09:23:23 -0500

Thanks for going over all of that (again?), Chuck.

But I'm still not sure I understand how orange is inherited, or rather how to guestimate probability of getting orange from various types of crosses.

Paul's version is easy (easier!) to understand - pink is recessive to orange which is recessive to yellow.

But I'm still confused as to whether there are <two> or <three> sets of genes at work - tttt and carotenoid yellow (i.e., absence of reduced carotene genes) <or> tttt, yellow , and a third thing that causes partial yellow <and> tttt to give orange?

Not to forget reduced anthocyanin set of genes

Maybe my brain is simply not quite ready to wrap around this one yet. I may have to wait & see the babies bloom....
Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.DiscoverET.org/etis>
Region 7, Kentucky-Tennessee <http://www.aisregion7.org>
American Iris Society web site <http://www.irises.org>
talk archives: <http://www.hort.net/lists/iris-talk/>
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