Which phrase is the best definition of sexual reproduction in plants

Fertilization.

Explanation:

Sexual reproduction involves two parent organisms. The parents here give rise to reproductive cells called gametes by a kind of cell division called meiosis. A gamete here contains a copy of part of the hereditary information organism which produced it.

During plant reproduction which is a diploid phase, also called sporophyte, it produces spores by meiosis that germinate and then divide by mitosis to form a haploid multicellular phase, the gametes here that produces gametes directly by mitosis. This form of life cycle, involving alternation between two multicellular phases.

During sexual reproduction, a gamete from one parent fusses with a gamete from another parent.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

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