Update README.md

studies/genotyping_lwd1_mutants/README.md

-*study overview*
+Using CRISPR-Cas9 to generate *lwd1* mutants to confirm LWD1 as the gene underlying the *eam7* locus. Mutants were genotyped by Sanger sequencing.
+
+**study overview**
 		
-T0 mutant plants (from study "generating_lwd1_mutants"		
--> assay: mutant_genotyping
-	output: T0 mutant genotype info
--> assay: plant propagation
-	output: T1 mutant seeds
-		-> assay: mutant_genotyping
-		output: T1 mutant genotype info
+	T0 mutant plants (from study "generating_lwd1_mutants"		
+
+	-> assay: mutant_genotyping
+		output: T0 mutant genotype info
+
+	-> assay: plant propagation
+		output: T1 mutant seeds
+
+		-> assay: plant_genotyping
+			output: T1 mutant genotype info
+
 		-> assay: plant propagation
-		output: T2 mutant seeds (used in studies "gene_expression_lwd1_mutants" and "phenotyping_lwd1_mutants)
+			output: T2 mutant seeds (used in studies gene_expression_lwd1_mutants" and "phenotyping_lwd1_mutants)
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