Biology for IGCSE & O level - Inheritance (Section 10 - No. 47)
What is the purpose of crossing over during meiosis?
To increase the number of cells produced.
To reduce the number of chromosomes.
To create genetic variation.
To ensure that each daughter cell receives a complete set of chromosomes.
Vysvětlení
Crossing over, or recombination, is the exchange of genetic material between homologous chromosomes, leading to new combinations of genes.