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11 Cards in this Set

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chromosome
rod shaped structures made off DNA
in a eukaryotic cell,one of the structures in the nucleus that are made up of DNA and protein,
in a prokaryotic cell the main ring of DNA
histones
a type of protein molecule found in the chromosomes of eukaryotic cells but not in prokaryotic cell
DNA wraps tightly around this protein
chromatid
one of the two strands of chromosomes that becomes visible during meiosis or mitosis
centromere
the region of the chromosome that holds the two sister chromatids togethere during mitosis
chromatin
the materials that makes up voth mitotic and interphase chromosomes
a comples of proteins and DNA strands that are loosely coinled such tht translation adn transcription can occur
sex chromosome
one of the pair of cromsomes tat determime th sex of an individual
autosome
any chromosome that is not a sex chromosome
homologous chromosome
chromosomes that have the same sequence of genes, that hace the same strucrure and that pair during meiosis
karyotype
a micrograpj of the array of chromosomes visible in a cell durinf metaphase
a graphical display tha shows an individual's chromosomes arraned in homologous pairs and in order of diminshing size
diploid
a cell that contains two haploid sets of choromosmes
haploid
describes a cell nucleus or organism that has only one set of unpaired chromosmes