Laws of Mendel | Dominance Segregation Independent Assortment | NEET Biology Class 12 | Neela Bakore
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Master all three Laws of Mendel! Clear diagrams and examples for every law.
📌 Topics Covered:
• Law of Dominance — one allele masks the other
• Law of Segregation (Purity of Gametes)
• Law of Independent Assortment
• Monohybrid cross demonstrating segregation
• Dihybrid cross demonstrating independent assortment
• Exceptions & limitations of Mendel's laws
Transcript and Timestamp
0:00 Introduction to Mendel's Laws of Inheritance
0:23 Law 1 – Law of Dominance (definition & pure-line cross example)
2:07 F1 phenotype 4:0 (all tall); F1 genotype 4:0 (all Tt)
2:56 Law 2 — Law of Segregation (Purity of Gametes)
3:17 Segregation = separation of alleles during gamete formation
4:22 Also called Law of Purity of Gametes — each gamete has only ONE allele
5:36 Law 3 — Law of Independent Assortment
6:34 Requires dihybrid cross to understand
7:06 Parent: pure tall purple × pure short white
8:03 4 types of gametes in dihybrid cross — independent assortment explained
10:43 F2 selfing of F1 heterozygous
12:28 Law of Segregation — monohybrid OR dihybrid; Law of Independent Assortment —
ONLY dihybrid
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