During metaphase of meiosis i, homologous chromosomes and the alleles they possess are organized for distribution to different gametes. what is this called?

Segregation.

Explanation:

Segregation is a mechanism that arises in both mitosis and meiosis and consists of the separation of two sister chromatids or two homologous chromosomes that then proceed to migrate to the opposite sides of the cell. During Metaphase I, the homologous pairs are located in the equatorial plane and have their respective kinetochores attached to the microtubules that later will shorten to take each chromosome to a pole.

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the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation: