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Maize Challenge 2022: #5 Seeds

Maize Challenge 2022: #5 Seeds

felixxx(72)

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While my corn is growing, there is little I can do other than sporadic weeding, watering and taking pictures:

Corn Varieties 🌽

I have planted Golden Bantam sweet corn.
I understand most of the world's corn production is not of the sweet variety.

I would like to try other varieties, but:

I do not have the facilities for milling flour
I can not store the product
I do not want to cross-pollinate

Homozygous Seeds

I bought homozygous seeds, specifically.
Normally, I would buy heterozygous (aka hybrid aka F1) seeds.
Hybrids usually only have advantages compared to their homozygous parents, except one:

Producing Seeds

Having a homozygous (aka P) genome and breeding it with itself means I can harvest quality seeds for next year.
... which is exactly what I am trying to do.
That is why I can only have this single variety, so I can avoid any cross-breeding.

Mendel's Laws

I do not want to use this post to showcase my understanding of Mendel's Laws.
Instead I would like to ask how it is at all possible that I bought Golden Bantam F1 last year.
To create a uniform F1, you'd need 2 different P genomes, which can not both be Golden Bantam (?)

I am honestly confused.

I assume, it was Golden Bantam + X hybrid, and they did not bother to mention, which other genome they bred with.