Which of these characters selected by Mendel are located on the same chromosomes ?

Options

A. Seed color and seed shape
B. Flower color and flower position
C. Flower color and seed color
D. Stem height and seed shape

Answer

To determine which characters selected by Mendel are located on the same chromosomes, we need to analyze the traits he studied in his experiments with pea plants. Mendel focused on seven traits, which are distributed across four different chromosomes. Here’s a step-by-step breakdown of the solution:

### Step 1: Identify the Chromosomes and Their Traits
Mendel's seven traits are located on four chromosomes. We need to identify which traits are on the same chromosome.

1. **Chromosome 1**:
- Seed color
- Flower color

2. **Chromosome 4**:
- Height
- Inflated pod shape

3. **Chromosome 5**:
- Pod color

4. **Chromosome 7**:
- Seed shape

### Step 2: Analyze the Traits
From the information above, we can see that:
- Chromosome 1 contains both the gene for seed color and the gene for flower color.
- Chromosome 4 contains height and pod shape traits.
- Chromosome 5 contains pod color.
- Chromosome 7 contains seed shape.

### Step 3: Determine Which Traits are on the Same Chromosome
We are specifically looking for traits that are located on the same chromosome.

From our analysis:
- **Seed color and flower color** are both located on **Chromosome 1**.

### Conclusion
The characters selected by Mendel that are located on the same chromosome are **seed color and flower color**, which are both found on Chromosome 1. Therefore, the correct answer is option 3.

---