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Sordaria Scoresheet - Type of Cross Asci With Parental...

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Sordaria Tetrad Scoring Sheet As you examine the asci from either a  +  x tan or  +  x gray cross, record the  number of parental and non-parental ditypes on the chart below. Use the data to  determine the distance between the tan or gray gene and the centromere.
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Unformatted text preview: Type of Cross Asci With Parental Ditype (4:4) Asci With Non-Parental Ditypes (2:4:2) & (2:2:2:2) Total Asci Counted % Non-Parental Ditypes (NPD) Distance (d) From Centromere (Map Units) d=%NPD/2 t x + g x +...
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