Assertion (A): All siblings look exactly the same.
Reason (R): They inherit the same genes from their parents.

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A Both A and R are true and R is the correct explanation of A
B Both A and R are true, but R is not the correct explanation of A
C A is true but R is false
D Both A & R are false

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Answer: D. Both A & R are false

The assertion is false: siblings share parents but usually look different. The reason is also false: each child gets a different mix of genes from the parents, which is why brothers and sisters differ. Only identical twins share the same genes.

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Assertion (A): All siblings look exactly the same. Reason (R): They inherit the same genes from their parents.

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Assertion (A): All siblings look exactly the same.
Reason (R): They inherit the same genes from their parents.