Chromosome - condensed DNA wrapped around histones, Sister Chromatid - identical copies of a chromosome that are joined together at the centromere, Homolog - Genes past from one parent, homologous pair is 2 sets of genes, each from one parent, Isochore - a large DNA segment with a high degree of uniformity in the guanine and cytosine bases, or GC content., Banding - a technique that uses special stains to create alternating light and dark regions, or bands, along the length of a chromosome, Centromere - a constricted region of a chromosome that plays a key role in cell division, Telomere - protein structures at the ends of chromosomes that protect DNA and help control cell lifespan., Q and P arms - The largest regions on each chromosome are the short arm p and the long arm q, separated by a narrow region near the center called the centromere, Metacentric, Submetacentric, Acrocentric, Telocentric, Chromatin - Loosely stranded DNA, Karyogram - Photograph of the nuclear chromosomes at metaphase arranged to show homologs. , Karyotype - Xn=# The written description of a karyogram, Idiogram - Cartoon or drawing of a karyotype, Restriction endonuclease - Protein that recognizes a DNA sequence and cuts it where it needs to be cut. (Always an even number of nucleotides), Palindrom - A word or phrase that is identical frontwa, Ploidy - X (number of pairs of the homologous sister chromatids at metaphase.,

Chromosomes

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