Reproductive System Quizlet Related

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Upon fertilization, an oocyte completes its second meiotic division and produces ________.

  • A. the corona radiata and a polar body
  • B. the morula and blastocyst
  • C. the ovum and another polar body
  • D. the primary oocyte and secondary oocyte
Correct Answer: C

Rationale: Rationale: Upon fertilization, an oocyte completes meiosis II, resulting in the formation of the ovum and another polar body. The ovum contains the majority of the cytoplasm and organelles needed for fertilization and embryonic development, while the polar body is a small non-functional cell. This process ensures proper distribution of genetic material and cytoplasm.
Incorrect Choices:
A: The corona radiata and a polar body are structures associated with the ovulated oocyte, not the result of fertilization.
B: The morula and blastocyst are early embryonic stages that form after several cell divisions following fertilization, not products of oocyte meiosis.
D: The primary oocyte and secondary oocyte are stages of oocyte development before fertilization and are not produced after fertilization.