Second, the producers of the television show have asked you if either man (Mike Johnson or
Jerry Whiteheart) could be the father of Orange, assuming that Billie Jean is the mother.
on the CODIS results, explain why each man could (or could not) be the father of Orange.
sure to discuss all relevant CODIS markers. (6 points).
Based on the CODIS results, the only man of the two who could be the father of
Orange is Mike Johnson, because so many of the CODIS markers coincide. In order to be a
parent of Orange, at least half of the alleles should be shared. While Jerry Whiteheart does
share a similarity with Orange in the CSF1PO, D7S820, and D21S11 markers, some of these
markers are in conflict with the genotype of Billie Jean who has already been proven to be the
mother. Mike Johnson’s genotype, however, completely compliments Billie Jean’s genotype,
which lines up to show that Billie Jean and Mike Johnson are Orange’s parents. For example
in the D5S818
marker, Billie Jean has a 9,11 while Mike Johnson has a 12,12 and Jerry
Whiteheart has a 7,10. Because Orange’s marker is 11,12, it completely rules out Whiteheart
as an allele donor. So, the only possible combination to make up Orange’s genotype would be
Billie Jean’s 11 and Mike Johnson’s 12. Mike Johnson has
CSF1PO allele 14, the FGA allele
20, the THO1 allele 7, the TPOX allele 6, the VWA allele 13, the D3S1358 allele 19, the
D5S818 allele 12, the D7S820 allele 8, the D8S1179 allele 17, the D13S317 allele 8, the
D16S539 allele 11, the D18S81 allele 15, and the D21S11 allele 31.2, thus proving that he is
Orange’s father, not Jerry Whiteheart.