As in autosomal recessive inheritance, two copies of a disease allele on the X chromosome are required for an individual with two X chromosomes (a female) to be affected with an X-linked recessive disease.
The form 1098-T is used by the student or whoever pays the qualified tuition or educational expenses to claim a credit to taxes filed on IRS Form 1040 or 1040-A. The form will show the student's name, address, social security number and other identifying information.
This form, the IRS says, is a tuition statement from your university or college. It outlines the amount billed for tuition and fees, as well as any aid received. This form is necessary if you, or those claiming you as a dependent, wish to receive any educational tax credits.