Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Monozygotic twins are called fraternal twins. who share half of their genes. Both members of the twins may be males or females.
Reason R : Dizygotic twins develop from two different eggs and share the genes like a brother and sister. One of the twins may be a male and the other one may be a female.
In the light of the above statements, choose the most appropriate answer from the options given below:
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: D. Statement I is incorrect but Statement II is correct
Explanation
Monozygotic twins are identical and share all their genes; dizygotic (fraternal) twins share about half, like siblings, and can differ in sex.
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