`"_______"` pairs of contrasting traits were studied by Mendel in pea plant

Options

A. 6
B. 7
C. 8
D. 10

Answer

To answer the question regarding how many pairs of contrasting traits were studied by Mendel in pea plants, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Subject**: Mendel conducted his experiments on the pea plant, scientifically known as *Pisum sativum*.

2. **Understand Mendel's Work**: Mendel is known for his foundational work in genetics, where he studied various traits in pea plants to understand inheritance patterns.

3. **Count the Traits Studied**: Mendel studied a total of **seven pairs of contrasting traits**. These traits include:
- Seed shape (round vs. wrinkled)
- Seed color (yellow vs. green)
- Pod shape (inflated vs. constricted)
- Pod color (green vs. yellow)
- Flower color (purple vs. white)
- Flower position (axial vs. terminal)
- Plant height (tall vs. short)

4. **Select the Correct Option**: Among the given options (6, 7, 8, 10), the correct answer is **7** pairs of contrasting traits.

### Final Answer:
**7 pairs of contrasting traits were studied by Mendel in pea plants.**

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