Backcross analysis of X chromosome

GenotypeNo. fertileNo. sterile% fertile
ct y se sh 92297.9
ct y se sh + 99298.0
ct y se+ sh811287.1
ct y se+ sh+80989.9
ct+ y+ se+ sh+91117.5
ct+ y+ se+ sh8828.8
ct+ y+ se sh+86990.5
ct+ y+ se sh87693.5

Mutant alleles are from USA and wild-type alleles are from Bogota.