Question

An angiosperm was identified with its endosperm of 6n. Assuming that this is a
self-pollinating species, what ploidy of the
parent?​

Answer 1

The parent plant is Tetraploid.

Explanation:

• The endosperm of a plant is formed during the triple fusion of the embryo.
• The polar nuclei fuse to form a diploid nucleus and with the secondary male gamete to form a tripod nucleus.
• If the plant is tetraploid, then the gametes of the plant will be diploid that is 2n.
• Then, the polar nuclei will be diploid that is 2n each, which will give rise to a tetraploid single polar nucleus after fusion.
• It will then fuse with the secondary male gamete which is again 2n or diploid. Thus, the endosperm will be 6n.

To Learn more about Tetraploid:

If a male angiosperm plant is diploid and its female plant tetraploid, the ploidy level of endosperm will be

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