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Bio 2_C01_ProDave

🧬🔴Biotechnology: Genetic Modification, Cloning, Stem Cells, and Beyond

QuestionAnswer
Centromere The constricted region of a chromosome that holds sister chromatids together and anchors the kinetochore.
Sister Chromatids Two identical copies of a chromosome connected at the centromere.
Kinetochore A protein structure on the centromere where spindle fibers attach during cell division.
Spindle Fibers Microtubules that pull chromatids apart during mitosis and meiosis.
Short Arm (p) The shorter chromosome arm above the centromere.
Long Arm (q) The longer chromosome arm below the centromere.
C (Chromatids) in the CENTRAL mnemonic The centromere keeps the two identical DNA copies attached until they separate.
E (Equal division) in the CENTRAL mnemonic The centromere helps ensure chromosomes are divided evenly between daughter cells.
N (Nucleus checkpoint) in the CENTRAL mnemonic This refers to the checkpoint that confirms spindle fibers are attached correctly.
T (Tethering) in the CENTRAL mnemonic This refers to the point where microtubules attach to move chromosomes.
R (Region of constriction) in the CENTRAL mnemonic This refers to the narrow waist-like area at the center of the chromosome.
A (Arms p and q) in the CENTRAL mnemonic This refers to how the centromere divides the chromosome into an upper and lower arm.
L (Location of kinetochore) in the CENTRAL mnemonic This refers to the site where a protein structure forms to anchor spindle fibers.
 

 



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