In some lower plants and in some social insects mitosis occurs in

Options

A. Diploid cells
B. Haploid cells
C. Both haploid and diploid cells
D. None

Answer

To answer the question "In some lower plants and in some social insects mitosis occurs in," we can follow these steps:

### Step-by-Step Solution:

1. **Understand Mitosis**: Mitosis is a type of cell division that results in two daughter cells, each having the same number of chromosomes as the parent cell. This means that if the parent cell is diploid (2n), the daughter cells will also be diploid (2n). If the parent cell is haploid (n), the daughter cells will also be haploid (n).

2. **Identify the Context**: The question specifies "lower plants" and "social insects." We need to consider where mitosis occurs in these organisms.

3. **Lower Plants**: In lower plants such as Chlamydomonas and Spirogyra, mitosis can occur in haploid cells. Specifically, during the formation of gametophytes, which arise from haploid spores, mitotic divisions take place.

4. **Social Insects**: In social insects, such as bees and ants, mitosis occurs in diploid cells. For example, fertilized eggs develop into diploid females (queens and workers), while unfertilized eggs develop into haploid males (drones). However, the process of mitosis itself occurs in diploid cells during the development of the diploid individuals.

5. **Conclusion**: Since mitosis occurs in both haploid cells (in lower plants) and diploid cells (in social insects), the answer to the question is "both haploid and diploid cells."

### Final Answer:
Mitosis occurs in both haploid and diploid cells in some lower plants and in some social insects.

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