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Andrews [41]
2 years ago
7

Why are all four chromatids different?

Biology
1 answer:
attashe74 [19]2 years ago
4 0

Answer:

<em>They differ from both parents and also from each other. This occurs through a number of mechanisms, including crossing-over, the independent assortment of chromosomes during anaphase I, and random fertilization. When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur.</em>

Explanation:

<h3>I hope this helps!!</h3>
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