Re: Return to Genetic ramblings

If green is a recessive: If Orange pumpkins sometimes produce green "fruit";
then green is a recessive trait, and green takes 2 to tango. Therefore, if
mated to an orange, with a green recessive, It will produce 50% green and
50% Orange with a green recessive.

If Green is not the "lowest recessive on the totem pole", Then it may still
be subservient to certain genes and only appear, even as a double recessive,
when those are not present.

In horses, Grey is most dominant, but it can be modified by a"pattern gene
such as pinto, appaloosa, etc. It dominates black, but if gray is not
present at all, Black is next dominant. However black is modified by another
gene. If that gene is present, it causes the color to clump in the mane,
tail, legs and ear tips. The body is then a reddish brown color.

If there is a situation like this in pumpkins, probably connected to certain
squash genes still found in some pumpkin lines; then there is your
explanation.

However, if there are multiple modifiers; perhaps not even color-connected.
Many of you may know the answers to the following, but if you don't, and
come across the situation, please keep notes.

Sometimes, a fruit stays green because it is later maturing. It may be
naturally late maturing. Or, it may have had a really late start, so it just
isn't mature and ready to turn orange, yet. Did the pumpkin look mature
inside? How many of the seeds planted produce green? what was the parentage
on the original green? what is the descending heritage of each generation.

If the green color usually appears on sloppy forms, lacking true pumpkin's
sharp perfection of smooth round shape; it may be linked to certain genes of
its squash heritage.

Once we know certain factors or indicators; we can take it much further,
following the rules of genetics, that we are already familiar with.
----- Original Message -----
From: "Smithhisler, Paul" <Paul.Smithhisler@dnr.state.oh.us>
To: <pumpkins@hort.net>
Sent: Wednesday, February 19, 2003 7:22 AM
Subject: RE: Return to Genetic ramblings


> Good question Kathie.  In humans, the only way to get a red-head is by
from
> two people with the read hair gene.  Since the red-hair gene is recessive,
> it would follow that two redheads definitely each had two red-hair genes.
> Therefore, would their offspring necessarily have red hair?  My
> understanding of human genetics is that yes, they would.
>
> Then why is it that a green fruit sometimes (often, depending on the seed)
> produces orange fruit?
>
> -Gus
>
>  -----Original Message-----
> From: Kathie Morgan [f*@earthlink.net]
> Sent: Tuesday, February 18, 2003 8:51 PM
> To: pumpkins@hort.net
> Subject: Return to Genetic ramblings
>
> Cliff Warren wrote: Take 10 to 15 seeds from a desired stock. Plant
> them, then save another set selected from the very best of what grows.
>
> OK, I'll buy a representative sample.
> Now, someone said - was it Brock - that green color is thought to be
> recessive. In that case, breed a Green to a Green and you're certain to
> get Green, if I am not mistaken. But am I not?
> Kathie
>
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