For the following group of questions first, study the description of the situation or data and then choose the one best answer to each question following it and fill in the corresponding oval on the answer sheet.The diagram below illustrates the results of electrophoresis of DNA sequences obtained from a family of two adults and three children, and amplified using PCR. The bands represent short repeating sequences of variable length. Results for another female (X) are included for comparison.Father- 1, 2, 3 Mother- 1, 2, XChild 1- father, mother, 2, XChild 2- mother, father, 1, 3Child 3- 2, fatherX- mother, 1, 2Which of the following is the best explanation for the fragment pattern for individual X ?(A)She has only one member of this chromosome pair.(B)She has only one living parent.(C)She is homozygous for this particular DNA fragment.(D)She is the mother's child from another marriage.(E)She is not related to any member of the family being tested.

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