Chromosomal condition results in an organism

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Question: What chromosomal condition results in an organism being only half as fertile as a wild type individual of the same species?

Many crop plants have originated as sterile hybrids of two closely related species. The hybrids are often sterile, but a hybrid plant will occasionally be fertile and produce seeds. What has to happen to the hybrid for it to become fertile?

 

Reference no: EM1385620

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