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Old 12-07-2012, 01:02 PM   #11 (permalink)
Gabe15
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Default Re: Could someone explain the banana groups?

Quote:
Originally Posted by dsws View Post
Ploidy is increased by crossing, but is it ever decreased?
When breeding with anything parthenocarpic, the resulting progeny can vary in their ploidy. So a 2n x 4n will produce a number of 3n as expected, but can also produce 2n, 4n, 5n, 6n, or 7n progeny. Beyond 4n however, the plants are typically weak and generally non-viable.
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