Adiploid cell in a plant undergoes chromosome duplication but fails to divide properly, initiating a tetraploid (4n) branch. this branch produces a 4n flower. what can happen next?

The tetraploid - containing 8 single chromosome (4n) flower produces 2n egg and sperm (gametes) and may then be able to self-pollinate to produce fertile 4n offspring.

Explanation:

The mitotic polyploidy stages explains how to make a fertile polyploid hybrid

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