Aphenotypically abnormal individual has a phenotypically normal father with an inversion on one copy of chromosome 7 and a normal mother without any changes in chromosome structure. the order of genes along chromosome 7 in the father is as follows:

The order of the genes along chromosome 7 within the father is as follows.
RT D U P centromere M X Z C or inverted chromosome 7
RT D M centromere P U X Z C or normal chromosome 7
The phenotypically abnormal offspring has chromosomes seven which  follows an order of genes as; 
RT D M centromere P U D T R