Thalassaemia & Colour Blindness | Autosomal & X-linked Disorders NEET Class 12 | Neela Bakore

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Thalassaemia and Colour Blindness — two vital genetic disorders in one video.

📌 Topics Covered:
• Thalassaemia: Alpha vs Beta; Major, Minor, Trait; autosomal recessive
• Colour Blindness: X-linked recessive; red-green type; carrier female
• Cross outcomes and probability calculations
• NEET MCQ tips for both disorders
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Transcript with Timestamp
0:00 Introduction — Thalassaemia
0:23 Two types: Thalassaemia A (minor) and Thalassaemia B (major / Cooley’s anaemia)
1:05 Thalassaemia minor = heterozygous; Thalassaemia major = homozygous
1:23 Autosomal recessive disorder
1:50 Bone marrow cells → faulty haemoglobin synthesis; regular transfusions needed
2:13 Colour Blindness — red-green colour blindness = Daltonism
2:33 Complete colour blindness = total colour blindness
2:51 Red-green colour blindness = X-linked recessive
3:08 Pedigree 1: normal man (colour-blind father) × normal woman → children all normal
6:15 Pedigree 2: man whose MOTHER is colour-blind → man is colour-blind
7:22 Colour-blind man × normal woman → daughters all carriers; sons all normal
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