If X/A Ratio of two Drosophila is `0.6 and 0.33` respecively what would be their sex :-

Options

A. Female & male
B. Super female & super male
C. Inter sex & super male
D. Inter sex and super female

Answer

To determine the sex of the two Drosophila based on their X/A ratios, we can follow these steps:

### Step 1: Understand the X/A Ratio
The X/A ratio is a measure used to determine the sex of Drosophila (fruit flies). Here, "X" represents the number of X chromosomes, and "A" represents the number of autosomes (non-sex chromosomes).

### Step 2: Identify the Given Ratios
The problem provides us with two X/A ratios:
- For the first Drosophila: 0.6
- For the second Drosophila: 0.33

### Step 3: Apply the Genic Balance Theory
According to the genic balance theory of sex determination in Drosophila:
- If the X/A ratio is between 0.5 and 1, the individual is typically an intersex (a mix of male and female characteristics).
- If the X/A ratio is less than 0.5, the individual is classified as a super male (an individual with male characteristics but possibly with some abnormalities).

### Step 4: Analyze the First Drosophila (X/A = 0.6)
- The X/A ratio of 0.6 falls between 0.5 and 1.
- Therefore, the first Drosophila will exhibit an intersex phenotype.

### Step 5: Analyze the Second Drosophila (X/A = 0.33)
- The X/A ratio of 0.33 is less than 0.5.
- Thus, the second Drosophila will exhibit a super male phenotype.

### Conclusion
Based on the analysis:
- The first Drosophila (X/A = 0.6) is intersex.
- The second Drosophila (X/A = 0.33) is a super male.

### Final Answer
The sex of the two Drosophila is:
- First Drosophila: Intersex
- Second Drosophila: Super Male

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