Answer:
Populations have variation in traits due to random mutation, crossing over and environmental conditions.
Answer:
<h3>Asexual reproduction results in variations in DNA.</h3>
Explanation:
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Answer:
Fraternal twins are “dizygotic,” meaning that they developed from two different eggs fertilized by two different sperm cells, while identical twins are “monozygotic” i.e., they developed from a single fertilized egg that split.
Explanation: