Posted: July 24th, 2017

A 1-week-old newborn has microcephaly, intrauterine growth retardation, widely spaced eyes, and a cat-like cry. Which of the following karyotypes is most likely?

A 1-week-old newborn has microcephaly,
intrauterine growth retardation, widely spaced
eyes, and a cat-like cry. Which of the following
karyotypes is most likely?
(A) 45,X
(B) 46,XX
(C) 46,XX,del(5)(p12)
(D) 46,XX,t(14;21)
(E) 46,XY
(F) 47,XX,+13
(G) 47,XX,+21
(H) 69,XXY