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In What Ways Have First Ladies Expanded the Role of Their

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In what ways have first ladies expanded the role of their office over the twentieth century?


Definitions:

Prophase I

The first stage of meiosis I, where chromosomes condense, pair up, and exchange genetic material via crossing over.

Tetrad Formation

The pairing and clustering of homologous chromosomes during meiosis, resulting in the exchange of genetic information and ensuring genetic diversity in sexually reproducing organisms.

Chromatid Pairing

The alignment of two sister chromatids during cell division, allowing for accurate DNA replication and segregation.

Telophase

The last stage of mitosis and of meiosis I and II when, having reached the poles, chromosomes become decondensed, and a nuclear envelope forms around each group.

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