Assertion: mutation's gene | /r/CapableOf | carry one copy of each mutant allele
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text: the phenomenon in which two mutant alleles in the same organism do not produce a wild-type phenotype Complementation – a phenomenon in which the presence of two different mutant alleles in the same organism produces a wild-type phenotype; usually happens because the two genes, so the organism carries one copy of each mutant allele and one copy of each wild-type allele Cistron – the smallest genetic unit that produces a positive result in a complementation experiment; equivalent to a gene 10.4 Intragenic mapping/fine structure mapping – the aim of fine structure mapping is to ascertain the distancing between two (or more) different mutations within the same gene Intergenic mapping – a form of mapping that determines the distance between different genes Homoallelic – two or more alleles in different organisms that are due to mutations at exactly the same base within a gene Deletion mapping – the use of strains carrying deletions within a defined region to map a mutation of unknown location Hot spots – sites within a gene that are more likely to be mutated than other locations CHAPTER 11