Why is sexual reproduction believed to be the ancestral state in eukaryotes?
A) Asexual reproduction is completely absent from basal unicellular eukaryotes.
B) Under the parsimony principle, the most common form of a trait's state is always the ancestral state.
C) The "twiggy" distribution of obligate asexual reproduction in phylogenetic trees suggests that asexuality is a derived trait.
D) Evolutionary models suggest that obligate asexual taxa are more prone to extinction than sexual ones.
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