chromosome.docx - Chromosome Package of material located inside the cell nucleus Made of proteins and a single molecule of DNA 23 pairs of chromosomes

chromosome.docx - Chromosome Package of material located...

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Chromosome Package of material located inside the cell nucleus Made of proteins and a single molecule of DNA 23 pairs of chromosomes in each human cell (total 46 chromosomes) Separated into identical sets during mitosis/meiosis This provides a set of chromosomes to each daughter cell d/t cell decision Responsible for transfer of genetic info to daughter cells First 22 pairs of chromosomes (autosomes) 23 rd pair of chromosomes-contains genetic info for gender Females have XX and males have XY Autosomal chromosomes (autologous-do not carry genetic info r/t gender) Carried on first 22 pairs of chromosomes Sex linked disease only carried on 23 rd pair of chromosomes Autosomal chromosomes are identical to one another and considered homologous Alleles Autosomal chromosomes carries identical genes- alleles - can be dominate/recessive Dominant alleles genetic code will always manifest in individual’s phenotype
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  • Fall '15
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