Child A has two large X-shaped chromosomes, and Child B has one large X-shaped chromosome and one much smaller Y-shaped chromosome. What is Child A, and what is Child B?
A) female; male
B) male; female
C) an identical twin; a fraternal twin
D) a fraternal twin; an identical twin

Question

Quizplus · Accepted Answer

Child A has two X-shaped chromosomes, which indicates that they are female. Child B has one X-shaped chromosome and one Y-shaped chromosome, which indicates that they are male.

Child a Has Two Large X-Shaped Chromosomes, and Child B