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Chromosome Flashcards

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8708959770histoneprotein molecule around which DNA is tightly coiled in chromatin0
8708959775autosomeAny chromosome that is not a sex chromosome1
8708959777centromereArea where the chromatids of a chromosome are attached2
8708959778homologous chromosomeChromosomes that have the same sequence of genes and the same structure3
8708959779p armshort arm of chromosome4
8708959780q armlong arm of chromosome5
8708959788trisomy3 copies of a chromosome6
8708959790ChromosomeA coiled structure in the nucleus that contains hereditary material.7
8708959791DNAA nucleic acid found in the nucleus of all living cells, which carries the organism's hereditary information.8
8708959792ChromatinSubstance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones.9
8708959793CentromereThe region of the chromosome that holds the two sister chromatids together during mitosis.10
8708959795DiploidAn organism or cell having two sets of chromosomes or twice the haploid number.11
8708959796Chromosome armThe sections of a chromosome on either side of the centromere12
8708959797ChromatidEach half of a replicated chromosome (sisters) that are separated during cell division13
8708959798NucleosomeA group of proteins that DNA winds around like a spool14
8708959799HistoneA protein within the nucleosome; protein molecule around which DNA is tightly coiled in chromatin15
8708959800GeneA hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome16
8708959801Somatic Cellany cell of a living organism other than the reproductive cells17
8708959803Polyploid(of a cell or nucleus) containing more than two homologous sets of chromosomes.18
8708959805Sex Chromosomesa chromosome involved with determining the gender of an organism19
8708959806Autosomesany chromosome that is not a sex chromosome.20
8708959807Homoglogus Chromosomeschromosome pairs, one from each parent21
8708999143telomereRepetitive DNA at the end of a eukaryotic chromosome.22
8709005304telomeraseAn enzyme that catalyzes the lengthening of telomeres in eukaryotic germ cells.23
8709005979apoptosisProgrammed cell death is called...24
8709009842cancerA disease in which abnormal cells divide uncontrollably and destroy body tissue.25
8709013333stem cellsUnspecialized cells that have the capacity to develop into most types of specialized cells under the right conditions.26

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