Answer:
XY.
Step-by-step explanation:
Human have 23 pairs of chromosomes or total 46 chromosomes. The 22 pairs of chromosomes are same and known as autosomes. The other pair of chromosome is known as sex chromosome.
The human female have XX chromosome and human male have XY chromosome. The X chromosome is longer than Y chromosome and differs in the physical structure. The picture shown here thus belongs to the XY chromosomes.
Thus, the correct answer is option (D).