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A scientist is studying two types of worms. Worm X
has DNA identical to its parent. Worm Y has a
combination of DNA from two parents. The scientist
determines that one of the worms has a survival
advantage over the other worm.
Which statement correctly summarizes this
conclusion?
Worm X reproduces asexually, which gives it
genetic variation
Worm Y reproduces sexually, which gives it genetic
variation
Worm Y reproduces asexually, which gives it more
DNA.
Worm X reproduces sexually, which gives it more
DNA.