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TLS Online TPP Program
#Question id: 15386
#Unit 8. Inheritance Biology
You set up a mapping cross involving your favorite gene (YFG) in Neurospora and determine the following octad types: 4:4 arrangement 83; 2:4:2 arrangement 7; 2:2:2:2 arrangement 10. What is the distance between your gene and the centromere?
TLS Online TPP Program
#Question id: 13151
#Unit 8. Inheritance Biology
A series of two-point crosses were carried out among five loci (a, b, c, d and e) producing the following recombination frequencies. Using these recombination frequencies, map these five loci, showing their linkage groups, the order of the loci in each linkage group is;
What is the correct order of the loci?
TLS Online TPP Program
#Question id: 13150
#Unit 8. Inheritance Biology
A fruit fly Drosophila melanogaster showing three point test cross st+-e+-ss+ was crossed with triplet recessive mutant st-e-ss. The F1 hybrid was the backcross with the recessive mutant and the phenotype recorded as follows;
The distance in map unit (mu) between st+ to e+ and e+ to ss+ is
TLS Online TPP Program
#Question id: 13149
#Unit 8. Inheritance Biology
A three point test cross was made between the st^+-e^+-ss^+ and st-e-ss , the genotype of the double cross over will be; st^+-e-ss^+ and st-e^+-ss. Based on this, determine the order of the genes.
TLS Online TPP Program
#Question id: 13148
#Unit 8. Inheritance Biology
During a three point test cross is carried out. The parental cross was AABBCC X aabbcc , the F1 progeny is AaBbCc. What will be the no. of given genotype in 100 progeny?
i) AaBbCc ii) aaBbcc
TLS Online TPP Program
#Question id: 13147
#Unit 8. Inheritance Biology
A cross was made between pure Blue and long pollen length with white and short pollen length. The F1 were test crossed. The F2 progeny obtained was as follows:
The genetic distance (cM) between flower colour and pollen length is;