The schematic diagrams below show the F8 locus and a

Last updated: 4/18/2023

The schematic diagrams below show the F8 locus and a neighbouring locus FMR1 in a segment of the X chromosome You do not need to consider the function of FMR1 Black boxes are exons grey boxes are introns and bent arrows are the start positions of transcription FMR1 3000 bp F8 Normal Mutant The top bar illustrates the wildtype locus The bottom bar shows a mutant locus carried by a male 2 Why do the brackets indicating the FMR1 and F8 loci extend upstream before 5 of the transcription