MCDB 2150 1st Edition Lecture 11Complementation - Two mutant parents with wild type offspring Non-complementation - two mutant parents with mutant offspring^^usually no genotype given(-) means that it is the same gene(+) means a complement (diff. genes)where there are (-) signs, means the same gene = a gene groupwhen there is a ? in the chart, you can tell by comparing gene groups, if the twogenes in questions are in the same group = - non complementation. If the two genes in question are NOT in the same group = + complementation.3 Point crossesTo find middle gene = compare NCOs with the DCOs, the gene that switches or doesn't switch (doing its own thing) is the gene in the middleTo find distance between middle gene and end gene = add up all CORRESPONDING SCOs and all DCOs in the numerator of the equationTo find the distance between the two end genes = add up all SCOs and 2x the DCOs in the numerator of the
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