If two eggs are fertilized by two separate sperm, what type of twins will develop?Multiple choice question.ConjoinedIdenticalFraternalPaternal
Question
If two eggs are fertilized by two separate sperm, what type of twins will develop?
- Conjoined
- Identical
- Fraternal
- Paternal
Solution
Type of Twins in Fertilization
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Understanding the Terminology:
- Identical Twins: Formed when a single fertilized egg (zygote) splits into two embryos. They share the same genetic material.
- Fraternal Twins: Produced when two separate eggs are fertilized by two different sperm cells. They are genetically distinct and can be of the same or different sexes.
- Conjoined Twins: A rare condition that occurs when a single zygote does not fully separate during early development, leading to twins that are physically connected.
- Paternal Twins: This term is not commonly used in biological contexts regarding twin types.
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Analyzing the Question: The question states that two eggs are fertilized by two separate sperm, which aligns with the definition of fraternal twins.
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Conclusion: Since two separate eggs are involved in the fertilization process, the correct answer is Fraternal Twins.
Final Answer
Fraternal.
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