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Hint: Gametophyte and sporophyte are sexual components of a flowering plant. They play an important role in sexual reproduction by showing maturation at different times, called alternation of generation
Complete answer:
Figure: Alternation of generation
Following are the differences between gametophyte and sporophyte:
- In mitosis, the cells formed after a single division have the same number and kind of chromosome as that of the parent cell.
- In meiosis, the cells formed by two divisions of the parent cell have half the amount of genetic information than that of the parent cell.
- A haploid cell is represented by ‘n’ while a diploid cell is represented by ‘2n’
- In plants, there is an alternation between the haploid and diploid phase of the plant, known as alternation of generation.
Note: When a single cell divides two times to form four cells, such a process is called meiosis. While, when a cell divides only once forming two daughter cells, such a process is called mitosis.
Complete answer:
Figure: Alternation of generation
Following are the differences between gametophyte and sporophyte:
Gametophyte | Sporophyte |
The gametophyte is a haploid stage in the life cycle of a plant. | A sporophyte is a diploid stage in the life cycle of a plant. |
In this stage, the formation of gametes takes place. | In this stage, spores are formed which produces gametophytes. |
In this stage, the formation of gametes takes place with the help of mitosis. | In this stage, the formation of spore takes place with the help of meiosis. |
There are sets of chromosomes present in gametophyte. | There are two sets of chromosomes present in sporophytes. |
Reproduction in the gametophyte stage takes place sexually. | Reproduction in the sporophyte stage takes place asexually. |
The gamete of the gametophyte stage takes part in fertilization or they fuse to form a diploid zygote. | The diploid spore mother cell undergoes meiosis and forms haploid meiospores. |
- In mitosis, the cells formed after a single division have the same number and kind of chromosome as that of the parent cell.
- In meiosis, the cells formed by two divisions of the parent cell have half the amount of genetic information than that of the parent cell.
- A haploid cell is represented by ‘n’ while a diploid cell is represented by ‘2n’
- In plants, there is an alternation between the haploid and diploid phase of the plant, known as alternation of generation.
Note: When a single cell divides two times to form four cells, such a process is called meiosis. While, when a cell divides only once forming two daughter cells, such a process is called mitosis.
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