state gov APPSC Forest/Assistant Beat Officer (ఫారెస్ట్/అసిస్టెంట్ బీట్ ఆఫీసర్) (Pre + Mains) Mock Test 2025 General Science Biology Genetics and Evolution
Which of the following sets of chromosomes lead to the birth of a girl child?
1
YY
2
XX
3
XY
4
XZ