this post was submitted on 06 Feb 2025

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Science Memes

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submitted 1 day ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 1 day ago (1 children)

This hard, sugarless, unripe tomato sure is red though

[–] [email protected] 3 points 1 day ago

At this point, I barely even buy tomatoes to put into food anymore. If mom's been growing them in her greenhouse any given year, I'll eat a few off the vine. The stuff in stores? Ehh, it barely has flavour.

[–] [email protected] 4 points 1 day ago* (last edited 1 day ago) (1 children)

What about seedless watermelon

[–] [email protected] -4 points 1 day ago (3 children)

That's treated with a chemical to keep it from making seeds.

[–] ICastFist 4 points 1 day ago (1 children)

So, the same applies to seedless grapes?

[–] [email protected] 11 points 1 day ago (2 children)

They're often treated with hormones.

I sort of misspoke with regard to watermelons -

Seedless watermelons are created by crossing a regular watermelon with 22 chromosomes with one that's been chemically treated to have 44 chromosomes. The resulting hybrid has 33 chromosomes, making it sterile and seedless.

[–] [email protected] 2 points 1 day ago (1 children)

This is a bit misleading. You only need to treat the first generation of 2n watermelon with colchicine (which inhibits the movement of chromosomes during metaphase) to produce a 4n watermelon. Once you have a 4n watermelon, subsequent generations do not require colchicine treatment.

[–] [email protected] 2 points 1 day ago

Ah, OK. That makes sense. Thank you.

[–] [email protected] 2 points 1 day ago

Not the person you replied to but thanks. Doesn't that contradict the meme ?

[–] [email protected] 1 points 1 day ago

Seriously? I assumed sterile hybrid

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[–] [email protected] -1 points 1 day ago

Companies DO irradiate non organic ginger though, sterilizing it, before shipping it to stores.

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