Like human beings, wild bananas are diploid, that is they have two copies of each gene-bearing chromosome, one from each parent. Those with a genetic predisposition to parthenocarpy (the ability to produce a fruit in the absence of pollination) set the stage for the domestication of seedless edible bananas. 2 авг. 2020 г.
Do wild bananas have seeds?
Wild banana trees still exist, and they have plenty of seeds. So many seeds, in fact, that they're nearly completely inedible. Wild bananas are also much smaller than the fruit we enjoy today.
Why do my bananas have no seeds?
Put simply, bananas don't have seeds because they don't need them. Because all bananas have been propagated vegetatively (as this process is called), all bananas are sterile clones, and just about all of the bananas you find in the grocery store are a single breed, Cavendish.
Are all bananas seedless?
Although all wild bananas naturally make seeds, those seeds make them undesirable as far as humans are concerned. But occasionally the banana plant produces a mutant, a genetic mistake containing three copies of all chromosomes, which renders the new plant unable to produce viable seeds.
Why are wild type bananas inedible for humans?
Wild-type bananas are found throughout Southeast Asia, but are mostly inedible to humans. With hard seeds studding the fruit, wild-types have little fruit that is eatable, rendering the wild-types relatively useless for their fruit.
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