Why does meiosis result in genetic variation

Module 8: Cell Division. Search for:. Genetic Variation in Meiosis Learning Outcomes Understand how meiosis contributes to genetic diversity. Try It. Did you have an idea for improving this content? Reece, J. Urry, M. Cain, S. The fusion of two haploid gametes results in the formation of a diploid zygote. As meiosis results in genetically distinct gametes, random fertilisation by egg and sperm will always generate different zygotes.

Brent Cornell. Cell Introduction 2. Cell Structure 3. Membrane Structure 4. Membrane Transport 5. Origin of Cells 6. Cell Division 2: Molecular Biology 1. Metabolic Molecules 2. Water 3. Protein 5. Enzymes 6. Cell Respiration 9. Photosynthesis 3: Genetics 1. Genes 2. Chromosomes 3. Meiosis 4. Inheritance 5.

It occurs during the crossing over process in prophase 1 of meiosis. Here, homologous chromosomes pair up and exchange random genetic information for variation. How does meiosis lead to genetic variation and why is this variation important?

Biology The Eukaryotic Cell Meiosis. Rawda Eada. Dec 21, Fertilization, crossing over and independent assortment. Explanation: Meiosis leads to the formation of gametes which have half the number of chromosomes in the somatic body cells. Denise Granger. Feb 17, Prophase 1.