In a developing fetus, what influences whether it is going to become male or female? What influences the cells to start building male or female organs?

Question

In a developing fetus, what influences whether it is going to become male or female? What influences the cells to start building male or female organs?

In: 274

Answer 1

Sperm determines if a fetus will be male or female. The father determines the gender of the baby. Eggs are always X chromosome while Sperm can be X or Y.