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Question

Gregor Mendel was doing experiments on pea plants. For seven years he did experiments on 28,000 plants in the garden of the monastery. During his experiments, he found that the pea plant has some traits which come in pairs. Like the seed is either rough or smooth. It is either yellow or green, and the height of the plant is either tall or short. He also observed that if he takes two plants with different traits, for example one plant with yellow seeds and another with green seeds as parent plants, the next generation will have 75% plants with yellow seed and 25% plants with green seeds as the yellow color trait is dominant over the green color. What will be the height of plants of the next generation, if Mendel chose one tall and one short plant as parents and tall being the dominant trait?

A
The next generation will have some plants with tall height and some with short height.
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B
There will not be any next generation plant as Mendel took two different kinds of pea plants by mistake.
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C
The next generation plants will be of medium height as there are two different types of pea plant involved.
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D
The next generation plants will be tall as the tall trait is dominant.
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Solution

The correct option is A The next generation will have some plants with tall height and some with short height.
Answer - Option a

When two plants with contrast characters are crossed, the next generation will have the dominant and recessive charater plants in the ratio 3:1. So there will be some plants of short height and plants with tall height.

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