mendelian genetics

[Marty Sachs]

Looks like a 9:7 epistatic ratio to me.  
See:

http://www.ndsu.nodak.edu/instruct/mcclean/plsc431/mendel/mendel6.htm

http://www.esb.utexas.edu/dr325/Supplements/compliment.htm

   Best regards,

      -Marty Sachs

In article <9k1msm$ci4$03$1 at news.t-online.com>,
 "chris" <florian.knorr at web.de> wrote:

> Hi!
> 
> I´ve recently found an experiment whose results I cannot explain:
> 
> A homozygous plant without pigment glands is crossed with a homozygous plant
> which has pigment glands. All plants of the first offspring generation (f1)
> have glands. Then the hybrids of the f1 generation are crossed. The result:
> 248 plants with glands and 160 plants without glands.
> (Hint: It is NOT a dominant-recessiv crossing.)
> 
> Well, I have absolutely no idea what kind of crossing this is. Do you know?
> I would be really happy if you could tell me.
> 
> CU
> 
>