An in-vitro fertilization (IVF) laboratory experiences a sudden temperature spike during gamete incubation. Which risk increases as the oocytes are exposed to elevated temperatures during the fertilization process?

💡 Explanation

Elevated temperatures denature proteins involved in spindle fiber formation during meiosis. Because proper spindle fiber assembly is crucial for accurate chromosome segregation, high temperatures increase the risk of aneuploidy; therefore, this leads to potential developmental defects, rather than affecting sperm or pronuclei directly.

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