Practice question
Question
Which process occurs during meiosis and increases genetic variation?
Explanation
Crossing over during meiosis exchanges genetic material between homologous chromosomes, increasing genetic diversity.
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Guides and insights connected to this topic
Understand genotypic ratios, how to calculate them for monohybrid, dihybrid and trihybrid crosses, and why they matter in Mendelian genetics.
Learn the difference between dominant and recessive alleles, how homozygous and heterozygous genotypes express traits in plants, animals and humans.
A guide to dihybrid crosses, including setup steps, Punnett square analysis, phenotypic ratios, and examples in peas and Drosophila.
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