**Core Concept**
The development of the ovaries in females is a complex process involving the formation of the genital ridge, a critical anatomical structure that gives rise to the gonads. The genital ridge is a thickened area on the posterior wall of the urogenital ridge, which eventually differentiates into either ovaries in females or testes in males.

**Why the Correct Answer is Right**
The correct answer is the genital ridge because it is the primary site of ovarian development. The genital ridge is composed of mesenchymal cells that migrate from the urogenital ridge and interact with the coelomic epithelium to form the gonads. This process is influenced by the presence of sex-determining genes, such as SRY, which play a crucial role in the differentiation of the genital ridge into ovaries or testes. The ovaries then develop from the genital ridge through a series of complex morphogenetic events, including the formation of ovarian follicles and the development of the ovarian stroma.

**Why Each Wrong Option is Incorrect**
**Option A is incorrect** because while the genital ridge is the correct origin of the ovaries, the other options are not directly related to ovarian development. **Option B: Genital tubercle** is a structure that gives rise to the external genitalia in both males and females, but it is not involved in the formation of the ovaries. **Option C: Wolffian duct** is a precursor to the male reproductive system, but it is not involved in ovarian development. **Option D: Müllerian duct** is a precursor to the female reproductive system, but it is not the origin of the ovaries.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that the development of the ovaries is a complex process involving the interaction of multiple cell types and signaling pathways. Understanding the embryological origins of the ovaries is crucial for diagnosing and managing conditions related to ovarian development and function.

**✓ Correct Answer: A. Genital ridge**