Question

Gary has a chromosomal deletion and Heather has a chromosomal insertion. Which best describes which disease each may have? Gary might have DiGeorge syndrome and Heather might have Fragile X syndrome. Gary might have Kleinfelter’s syndrome and Heather might have Fragile X syndrome. Gary might have Fragile X syndrome and Heather might have Down syndrome. Gary might have DiGeorge syndrome and Heather might have Down syndrome.

Answer 1

Answer;

A. Gary might have DiGeorge syndrome and Heather might have Fragile X syndrome.

Explanation;

-DiGeorge syndrome is a syndrome caused by the deletion of a small segment of chromosome 22. It is characterized by cellular (T-cell) deficiency, characteristic faces, congenital heart disease and hypocalcemia.

-A specific heritable point on a chromosomal is called chromosomal fragile site and is associated with Fragile X syndrome. Fragile X syndrome is a genetic condition that causes intellectual disability, behavioral and learning challenges and various physical characteristics.

Answer 2

A specific heritable point on a chromosomal is called chromosomal fragile site and associated with Fragile X syndrome, consequently Heather has down-syndrome and Gary has Fragile X