The karyotype of a patient with androgen Insensitivity Syndrome is -: (A) 46 XX, (B) 46XY, (C) 47 XXY, (D) 47 XXY
Answer is B. Ans. is 'b' i.e., 46 XY Individual with 'androgen insensitivity syndrome' are XY individuals (male karyotype) with a female phenotype. Mutation in the androgen receptor causes resistance to androgen action and the androgen insensitivity syndrome results.