Mendel gave the theory of inheritance after researching the process using the pea plants. He used pea plants for his research for multiple reasons, one of which was they were relatively easy to grow and have various easily visible characteristics. The characteristics observed by Mendel included plant height, flower color, flower position, pool color, pool shape, seed color, and seed shape. All these seven characteristics can be easily observed in the pea plant making the research easier.
hence, the answer is option B - they can all be easily observed'.
fun fact 9 + 10 is actually 21 have a good day (:
Mendel's law of inheritance gave details about the recessive and the dominant alleles. The characters of the experiments are observable. Thus, option B is correct.
Mendel's law gave details about dominance, segregation, and assortment. He experimented on the pea plants and crossed them for different characters. The pea plants produced as a result were observable.
The traits were seen clearly different from the others and can be used to differentiate between the flower color, pea shape, and color, and seed color and shape. The characters were later termed alleles.
Therefore, in option B. the traits were observable.
Learn more about Mendel here:
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