Multiple Choice
Homologous recombination repairs double-strand breaks only
8. DNA Replication
Recombination
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Homologous recombination is defined as what?
A
Exchange of alleles from two different genes
B
Exchange of regulatory regions from two different genes
C
Exchange that occurs at equivalent positions in two non-homologous chromosomes
D
Exchange that occurs at equivalent positions in two homologous chromosomes
Verified step by step guidance1
Understand the concept of homologous recombination: It is a process that involves the exchange of genetic material between homologous chromosomes.
Recognize that homologous chromosomes are pairs of chromosomes that have the same structure and carry the same genes, although they may have different alleles.
Identify that during homologous recombination, the exchange occurs at equivalent positions on these homologous chromosomes, ensuring genetic diversity.
Differentiate homologous recombination from other types of genetic exchanges, such as those involving non-homologous chromosomes or different genes.
Conclude that homologous recombination is crucial for processes like meiosis, where it contributes to genetic variation in gametes.
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