Some protists can reproduce both sexually and asexually. what's a major advantage of each?

a. sexual reproduction allows the organism to produce an exact copy of itself, and asexual reproduction can be more rapid. b. sexual reproduction increases genetic diversity, and asexual reproduction can be more rapid. c. sexual reproduction is less prone to making genetic mutations, and asexual reproduction increases genetic diversity. d. sexual reproduction can be more rapid, and asexual reproduction allows the organism to produce an exact copy of itself.

B. Sexual reproduction rises genetic diversity and asexual reproduction is more rapid.

Organism such as Protists reproduces through two modes namely sexual and asexual. In former, two parent of different sex are involved in reproduction process whereas in latter single parent is involved. The asexual reproduction mode in Protists includes binary and multiple fission; and budding.

Conjugation and generation alternation are examples of sexual mode of reproduction in Protists.  The advantage of having two reproduction modes is that, due to involvement of two parents sexual reproduction increases genetic diversity whereas as asexual reproduction in very simple process it occurs more rapidly.  

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explanation:

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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.