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Question

In his classic experiment on pea plants, Mendel did not use ___________.

A
Seed colour
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B
Pod length
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C
Seed shape
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D
Flower position.
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Solution

The correct option is B Pod length

Mendel selected 14 true breeding pea plant varieties, as pairs which were similar except for one character with contrasting traits.

S.No Character Contrasting traits Chromosome number

1. Stem height Tall / dwarf 4

2. Flower position Axial/terminal 4

3. Flower colour Violet/white 1

4. Pod shape Inflated/constricted 4

5. Pod colour Green/yellow 5

6. Seed colour Yellow/Green 1

7. Seed shape Round/wrinkled 7

In this 1 character is related to stem height, 2 characters are related to flower, 2 characters related to pod, 2 characters are related to seed.

So, the correct option is ‘Pod length’.

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