help me plz
its for 9th grade biology or 10th grade
![help me plz its for 9th grade biology or 10th grade class=](https://us-static.z-dn.net/files/d1e/4e01575a29039e14e5c1a62f58169466.jpg)
Answer:
The answer should be [tex]X^{A} Y^{A}[/tex]
Since the pedigree has two different letters, it will have one letter of each, but the DNA will still be A.