GMO seeds now offered to US Home Gardeners. Would you?

[MarkMazer]

"GMO" summer squash has been easily available for years here in the USA... https://www.ruppseeds.com/vegetables/products/squash/summer-squash/summer-yellow/xpt-1832-iii

[fierycloud]

Suddenly found that most of the biotech plant varieties are also new world species.

https://www.cfsanappsexternal.fda.gov/scripts/fdcc/index.cfm?set=NewPlantVarietyConsultations

https://www.aphis.usda.gov/aphis/ourfocus/biotechnology/regulatory-processes/rsr-table/rsr-table

https://www.fao.org/food/food-safety-quality/gm-foods-platform/browse-information-by/commodity/en/

[CG100]

The driver for bio-tech is money/profit, not the origins of any species. There are only a small handful of crop species that provide the vast majority of human (and livestock) calories world-wide - in no particular order - wheat, rice, maize, potatoes. All the rest, such as manioc, sweet potato, barley, sorghum, plantains, millet, bread fruit and such, are really very small beer on a world scale. 
Apart from calories, probably the next most important crop (some would argue more important than starch sources) would be a major protein sorce - soy - and that originates from? East Asia. 
Without soy, the livestock industry world-wide would be a very, very pale shadow of what it is today.

One of the very first genetically engineered crops that I heard of was rice - so-called golden rice, which produces beta-carotene within the grain.

Research on that started in 1982 with the first field trials in 2004. There is (or was), enormous resistance to growing it, despite the trully, almost incomprehensibly, vast amount of defficiency-induced disease it would help avoid.

[fierycloud]

Since the carotene is known bio-synthesized in the plastid and as a photosynthetic pigment. If the color related mutation would affect the platid in the same way, not only the nuclear DNA.

I suddenly wonder that if the mutation related to the ingredients which is bio-synthesized in the plastid, even the starch (Amyloplast), fat(Elaioplast), protein(Proteinoplast), aromatic amino acids (Phenyloplasts, and Xyloplasts) related even the anthocyanidins woould also relied on mutated platids.

Not only the relatively micro nutrient such as B12, or DHA、EPA are related to independent living prokaryote are required by the human, the ingredients which made and stored by the endosymbiotic prokaryote could be the macro nutrients for the human.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8248682/
Desiccoplasts are plastids that can be interconverted between chloroplasts and proplastids in desiccation tolerant plants (Solymosi et al., 2013). Phenyloplasts are phenol enriched colorful plastids identified as a new plastid type when compared to chromoplasts because of their different storage contents and the homeostatic roles of phenols (Brillouet et al., 2014). Xyloplasts are specialized plastids in secondary vascular tissues that are dedicated to the synthesis of precursors for monolignol production, derived from either proplastids, or more likely, amyloplasts (Pinard and Mizrachi, 2018).

https://www.scirp.org/journal/paperinformation?paperid=57154
Proanthocyanidins are formed in the chlorophyllous organs of Tracheophyta from a redifferentiation of chloroplasts involving the thylakoidal membrane and lumen.

https://www.nature.com/articles/srep03373
Chlorophylless flower petals are known to be composed of non-photosynthetic tissues. Here, we show that the light energy storage that can be photoacoustically measured in flower petals of Petunia hybrida is approximately 10-12%. We found that the supposed chlorophylless photosynthesis is an anoxygenic, anthocyanin-dependent process occurring in blue flower petals (ADAPFP), accompanied by non-respiratory light-dependent oxygen uptake and a 1.5-fold photoinduced increase in ATP levels. Using a simple, adhesive tape stripping technique, we have obtained a backside image of an intact flower petal epidermis, revealing sword-shaped ingrowths connecting the cell wall and vacuole, which is of interest for the further study of possible vacuole-related photosynthesis. Approaches to the interpretations of ADAPFP are discussed and we conclude that these results are not impossible in terms of the known photochemistry of anthocyanins.

[kisaac]

I guess I'll try them.

Since the carotene is known bio-synthesized in the plastid....

Wow!  That's way above my abilities, fierycloud!