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Chapter 5

DAT Cell division

TermDefinition
Cell Therory States that all living creatures are made of cells- basic structural units of all organisms. -Cells originate from pre-existing cells via cell division
Zygote Common ancestor of all human cells A fertilized ovum- via fertilization of 2 gametes
3 main types of cell division 1. Mitosis 2. Binary fission 3. Meosis
Genome All the DNA within a cell -the haploid set of chromosomes in a gamete or microorganism, or in each cell of a multicellular organism. the complete set of genes or genetic material present in a cell or organism.
Chromosomes Def: a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. Humans somatic cells have 46 chromosomes- 23 copies of paired chromosomes
Homologous chromosome pairs Two different copies of the same chromosome in a diploid organism One copy is given by the mother and the other by the father
Created by: griseldat
 

 



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