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Formation of gametophyte directly from s...

Formation of gametophyte directly from sporophyte without meiosis is.

A

apospory

B

apogamy

C

parthenogenesis

D

amphimixis

Text Solution

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The correct Answer is:
To solve the question "Formation of gametophyte directly from sporophyte without meiosis is," we need to analyze the options provided and understand the definitions of each term. ### Step-by-Step Solution: 1. **Understand the Terms**: - **Sporophyte**: The diploid phase of the plant life cycle that produces spores. - **Gametophyte**: The haploid phase that produces gametes (sperm and eggs). - **Meiosis**: A type of cell division that reduces the chromosome number by half, leading to the formation of spores. 2. **Analyze the Options**: - **Apospory**: This is the formation of gametophytes directly from sporophytes without meiosis. In this case, the gametophyte is formed from the sporophyte tissue directly, bypassing the spore stage. - **Apogamy**: This is the development of a sporophyte from a gametophyte without the formation of gametes. This is the opposite of what the question is asking. - **Parthenogenesis**: This refers to the development of an embryo from an unfertilized egg, not related to the sporophyte-gametophyte transition. - **Amphimixis**: This is normal sexual reproduction involving the fusion of gametes, which does not apply here. 3. **Identify the Correct Answer**: - Since the question specifically asks for the formation of a gametophyte from a sporophyte without meiosis, the correct answer is **Apospory**. ### Conclusion: The formation of gametophyte directly from sporophyte without meiosis is known as **Apospory**. ---
To solve the question "Formation of gametophyte directly from sporophyte without meiosis is," we need to analyze the options provided and understand the definitions of each term. ### Step-by-Step Solution: 1. **Understand the Terms**: - **Sporophyte**: The diploid phase of the plant life cycle that produces spores. - **Gametophyte**: The haploid phase that produces gametes (sperm and eggs). - **Meiosis**: A type of cell division that reduces the chromosome number by half, leading to the formation of spores. ...
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