How did gregor mendel contribute to our understanding of inherited traits

Explanation:

The patterns of inheritance observed by Mendel forms the basis of modern genetics

To prove this Mendel did monohybrid cross for all characters and find out that  the phenotypic ratio for all traits in second generation(F2 generation) is 3:1

Random arrangement of paternal and maternal chromosomes on metaphase plate occurs,chromosomes are independent to assort on the metaphase plate at the time of cell division,their arrangement on metaphase plate is random

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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answer; /// i believe the correct answer is (reactants);