Law of Independent Assortment I TGT I PGT I LT I GIC I EMRS I KVS I NVS I NEET Biology
Автор: Shree Bio Chem Gurukul
Загружено: 2025-12-17
Просмотров: 43
Mendel's Law of Independent Assortment states that alleles for different genes segregate independently during gamete formation, meaning inheriting an allele for one trait doesn't affect inheriting an allele for another, leading to new combinations of traits in offspring, exemplified by dihybrid crosses showing 9:3:3:1 ratios in F2 generation, occurring because homologous chromosomes align randomly during meiosis.
Core Concept
Definition: Alleles (gene variants) for two or more different genes separate into gametes (sperm/egg) randomly and independently of each other.
Mechanism: This happens during meiosis, specifically when homologous chromosome pairs line up randomly at the metaphase plate, ensuring different combinations of paternal and maternal chromosomes go into each new cell.
Result: It creates new combinations of traits not seen in the parents, increasing genetic diversity
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