Re: Genetics question; calculating potential offspring?
From what I understand, when you hybridize a diploid with a tetraploid, the result will be a triploid, and will be mostly seedless.
However, parthenocarpy is an additional genetic trait (which does not have to do with chromosome count). A banana that is both triploid and has parthenocarpic traits (for example the Cavendish group) would have virtually no seeds (if you went through an entire bunch of bananas you would not find a single seed in any of the fruits).
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