Biology for IGCSE & O level - Inheritance (Section 2 - No. 21)
What is the role of homologous chromosomes in meiosis?
To undergo replication.
To pair up and exchange genetic material.
To separate and form new cells with full chromosome numbers.
To remain separate to ensure no genetic exchange occurs.
Explanation
Homologous chromosomes pair up during prophase I and exchange genetic material via crossing over.
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