Compaction of chromosomes continues and it is followed by the synapsis stage during cell division in
A. Antherozoid mother cells in mosses.
B. Meristematic tissues of plants.
C. Sperm mother cells in fems.
D. Spore mother cells in conifers.
E. Embryonic stage of higher plants.

Options

A. A, C and D
B. C and D
C. D only
D. All are correct, except B

Answer

To solve the question about the stage of cell division where compaction of chromosomes continues followed by the synapsis stage, we need to analyze each option provided:

1. **Understanding the terms**:
- **Compaction of chromosomes**: This refers to the process where chromosomes condense and become more tightly packed, which is crucial during cell division.
- **Synapsis**: This is the pairing of homologous chromosomes during meiosis, specifically in prophase I.

2. **Analyzing the options**:
- **A. Antherozoid mother cells in mosses**: Mosses undergo meiosis to produce spores, and synapsis occurs during this process.
- **B. Meristematic tissues of plants**: These tissues are involved in mitosis for growth and do not typically undergo synapsis.
- **C. Sperm mother cells in ferns**: Ferns also undergo meiosis, and synapsis occurs during the formation of gametes.
- **D. Spore mother cells in conifers**: Similar to mosses and ferns, conifers undergo meiosis in their spore mother cells, where synapsis occurs.
- **E. Embryonic stage of higher plants**: This stage primarily involves mitosis, not meiosis, hence no synapsis occurs.

3. **Conclusion**:
- The correct options where compaction of chromosomes is followed by synapsis during cell division are A (Antherozoid mother cells in mosses), C (Sperm mother cells in ferns), and D (Spore mother cells in conifers).
- Therefore, the answer is **A, C, and D**.

### Final Answer:
The correct answer is **A, C, and D**.

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