Linear Chromosomes
Definition
Linear chromosomes are long strands of DNA that exist within eukaryotic cell nuclei. Each chromosome carries genetic information encoded in its DNA sequence.
Analogy
Consider linear chromosomes as recipe books stored in a library (the nucleus). Each book (chromosome) contains different recipes (genes), which provide instructions on how to make a specific dish or, in the case of cells, how to build and maintain an organism.
Related terms
Gene: A segment of DNA on a chromosome that codes for a specific trait.
Telomere: The protective cap at the end of each linear chromosome that prevents degradation during replication.
Centromere: The region of a chromosome where two sister chromatids are joined together and where spindle fibers attach during cell division.
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