Question:
A woman gave birth to a triplet. Of these, two are identical twins and the third one is a female baby. How many ova would have been fertilized?
A woman gave birth to a triplet. Of these, two are identical twins and the third one is a female baby. How many ova would have been fertilized?
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Identical twins always come from a single fertilized ovum that splits after fertilization.
Updated On: Feb 9, 2026
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the type of twins.
Identical twins are monozygotic, meaning they develop from a single fertilized ovum (zygote) that splits into two embryos.
Step 2: Analyzing the triplet condition.
Since two babies are identical twins, they originate from one fertilized ovum.
The third baby (female) must have developed from a separate fertilized ovum.
Step 3: Counting fertilized ova.
One ovum produced the identical twins and one ovum produced the third baby.
Step 4: Conclusion.
Therefore, the total number of ova fertilized is two.
Identical twins are monozygotic, meaning they develop from a single fertilized ovum (zygote) that splits into two embryos.
Step 2: Analyzing the triplet condition.
Since two babies are identical twins, they originate from one fertilized ovum.
The third baby (female) must have developed from a separate fertilized ovum.
Step 3: Counting fertilized ova.
One ovum produced the identical twins and one ovum produced the third baby.
Step 4: Conclusion.
Therefore, the total number of ova fertilized is two.
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