NEET2025Zoology-Genetics
NEET 2025 Zoology Twins MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?
A
They are monozygotic twins.
B
They are fraternal twins.
C
They were conceived through in vitro fertilization.
D
They have 75% identical genetic content.
Correct Answer
Option B
Detailed Explanation
Since the twins are a boy and a girl, they must be fraternal twins, as monozygotic twins are always of the same sex.
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