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Presentation7 - Chromosome Mapping Three genes in maize: s=...

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Unformatted text preview: Chromosome Mapping Three genes in maize: s= shrunken w= white aleurone y= waxy Phenotypes Shrunken white= 116 Wild type= 4 Shrunken= 2538 Shrunken waxy= 601 White= 626 White waxy= 2708 Shrunken white waxy= 2 Waxy= 113 Total= 6708 What were the parental (P1) genotypes? What are the chromosomal positions? F1 S/s W/w Y/y X s/s w/w y/y: homozygous recessive (TC) Chromosome Mapping Three genes in maize: s= shrunken w= white aleurone y= waxy F1 S/s W/w Y/y X s/s w/w y/y: homozygous recessive (TC) Phenotypes Genotypes Shrunken white= 116 s/s w/w Y /y Wild type= 4 S /s W /w Y /y Shrunken= 2538 s/s W /w Y /y Shrunken waxy= 601 s/s W /w y/y White= 626 S /s w/w Y /y White waxy= 2708 S /s w/w y/y Shrunken white waxy= 2 s/s w/w y/y Waxy= 113 S /s W /w y/y Total= 6708 Chromosome Mapping Three genes in maize: s= shrunken w= white aleurone y= waxy F1 S/s W/w Y/y X s/s w/w y/y Phenotypes Genotypes Shrunken white= 116 s/ s w/ w Y / y Wild type= 4 S / s W / w Y / y Shrunken= 2538 s/ s W / w Y / y Shrunken waxy=...
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Presentation7 - Chromosome Mapping Three genes in maize: s=...

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