A: Mendel proposed postulates like "principle | vedclass

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(C) Mendel studied seven pairs of contrasting traits in garden pea $(Pisum 	ext{ } sativum)$ and formulated the laws of inheritance, including the la

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Assertion is correct, but Reason is incorrect.

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(C) Mendel studied seven pairs of contrasting traits in garden pea $(Pisum 	ext{ } sativum)$ and formulated the laws of inheritance, including the law of segregation and the law of independent assortment. Thus, the Assertion is correct.However, the Reason is incorrect. The garden pea plant has $7$ pairs of chromosomes $(2n = 14)$. Mendel studied seven traits, but these traits were not located on seven different chromosomes. In fact, some of the traits he studied were linked (located on the same chromosome), but because they were far apart, they showed independent assortment. Therefore, the statement that he was lucky because the traits were on seven different chromosomes is scientifically inaccurate.

$A$: Mendel proposed postulates like "principles of segregation and principles of independent assortment" after studying seven pairs of contrasting traits in garden pea.
$R$: He was lucky in selecting seven characters in pea that were located on seven different chromosomes.

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$A$: Mendel proposed postulates like "principles of segregation and principles of independent assortment" after studying seven pairs of contrasting traits in garden pea.$R$: He was lucky in selecting seven characters in pea that were located on seven different chromosomes.