meiosis and genes 0.0 / 5 ? BiologyDNA, genetics and evolutionASAQA Created by: Poppy BradleyCreated on: 01-06-15 11:47 double armed chromosomes are made of two _____ _________ sister chromatids 1 of 10 in meiosis I chromosome arrange themselves in _________ _____ homologous pairs 2 of 10 what happens to sister chromatids in meiosis II? split 3 of 10 the product is 4 haploid cells that are ______ _________ genetically different 4 of 10 When does chromatid cross over take place? meiosis one 5 of 10 after independent segregation chromosomes have the same genes but different ______ alleles 6 of 10 How might genetic diversity be increased? migration 7 of 10 What forms if the their is a big reduction in population size? genetic bottleneck 8 of 10 what is it called when a few organisms start a new colony? founder effect 9 of 10 what does selective breeding do to the genetic diversity of an organism? reduce 10 of 10
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