Sex determination in Melandrium is _____ type and has been stutied in detail by _____ respectively.

Options

A. XX-XO, R.P. Roy
B. XX-XY, Allen
C. XX-XY, Warmke
D. XO-,XX Bridge

Answer

**Step-by-Step Solution:**

1. **Identify the Type of Sex Determination in Melandrium:**
- Melandrium album, commonly known as red campion, exhibits a dioecious condition. This means that male and female reproductive structures are found on separate individuals.
- The mechanism of sex determination in Melandrium is similar to that in humans, which is the XY type. In this system, males have one X and one Y chromosome (XY), while females have two X chromosomes (XX).

2. **Determine Who Studied This Mechanism:**
- The detailed study of the sex determination mechanism in Melandrium was conducted by a scientist named Wormkey in 1946.

3. **Formulate the Complete Answer:**
- Therefore, the complete answer to the question is: "Sex determination in Melandrium is XY type and has been studied in detail by Wormkey respectively."