Which of the Mendel's law will always prove to be universally true in all cases?

All three laws

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Only the second law

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2

nd and

3

rd laws

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1

st and

2

nd laws

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Solution

The correct option is B Only the second law
Answer is option B i.e. "Only the second law"
Law of segregation is the Mendel's second law which states that every individual possesses two alleles and only one allele is passed on to the offspring. It is the only law without any exceptions hence universally true in all cases.
Law of dominance is the Mendel's first law. It is not universally applicable as there are cases of incomplete dominance or co-dominance. This causes deviations from Mendelian inheritance.
Law of independent assortment is the Mendel's third law and is applicable only for the traits which are located on different chromosomes. Thus, law of independent assortment is not universally true in all cases.

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