Examlex
Explain the cellular clock theory of aging.
Chromosome Number
The total number of chromosomes in a cell of an organism, important for genetic characteristics and species differentiation.
Metaphase I
A phase of meiosis where homologous chromosomes align at the equatorial plate before being separated into daughter cells.
Homologous Chromosomes
Pairs of chromosomes in a diploid organism that have the same gene structure and sequence, inherited from each parent, which pair up during meiosis.
Sister Chromatids
Identical copies of a chromosome, joined together by a common centromere, formed during DNA replication in the cell cycle.
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