What is interesting about a fully mature erythrocyte? O It is packed with organelles
O It has no nucleus
O They have a slightly blue color
O They are created in the spleen

An interesting feature of the fully mature erythrocyte is that has no nucleus.

Explanation:

Erythrocyte, or red blood cell, is an element of the blood responsible of the transporting of oxygen and carbon dioxide, thanks to the presence of a hemoglobin molecule.

The mature red blood cell is not considered a true cell because of the absence of a nucleus, which it loses at maturity. The reason for this is to have space to contain the hemoglobin.

A red blood cell is formed from hematopoietic cells, following the erythrocyte cell line. In their immature form they are equipped with a nucleus.

The other options are not correct because:

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