Which of the following genotypes of sweet pea plant is related with the production of purple coloured flowers
(a) CcPp
(b) CCpp
(c) ccPP
(d) Ccpp

Options

A. CcPp
B. `"CCpp"`
C. `"ccPP"`
D. `Ccpp`

Answer

To determine which genotype of the sweet pea plant is associated with the production of purple-colored flowers, we need to understand the role of the alleles involved in flower color.

### Step-by-Step Solution:

1. **Identify the Alleles**:
- In sweet pea plants, the flower color is determined by two complementary genes: C (for color) and P (for pigment).
- The dominant alleles are represented as C (capital C) and P (capital P), while the recessive alleles are represented as c (lowercase c) and p (lowercase p).

2. **Determine the Required Genotype for Purple Flowers**:
- For the production of purple flowers, both dominant alleles must be present. Therefore, the genotype must include at least one C and one P (i.e., either CcPp, CCPP, or CcPP).

3. **Evaluate Each Option**:
- **(a) CcPp**: This genotype has one dominant C and one dominant P. Therefore, it can produce purple flowers.
- **(b) CCpp**: This genotype has one dominant C but lacks a dominant P (it has two recessive p alleles). Therefore, it cannot produce purple flowers.
- **(c) ccPP**: This genotype has two recessive c alleles and two dominant P alleles. Since it lacks a dominant C, it cannot produce purple flowers.
- **(d) Ccpp**: This genotype has one dominant C but two recessive p alleles. Therefore, it cannot produce purple flowers.

4. **Conclusion**:
- The only genotype that can produce purple flowers is **(a) CcPp**.

### Final Answer:
The genotype related to the production of purple-colored flowers in sweet pea plants is **(a) CcPp**.

---