Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
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Answer:
A. Radiant energy from the sun, which transforms into chemical energy
Answer:
An inherited trait helps an organism survive and reproduce
Explanation:
Because the trait is inherited as in it takes time that's what adaptation is
