Principles of Inheritance and Variation - Diagram Based Questions | Class 12 Biology Ch 5 NCERT/NEET
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✅ In this video,
✔️ Course: NCERT/NEET
✔️ Class: 12th
✔️ Subject: Biology
✔️ Chapter: Principles of Inheritance and variation (Chapter 5)
✔️ Topic Name: Principles of Inheritance and variation - Diagram Based Questions
✔️ Topics Covered In This Video (By Vaidehi Mam): Diagram Based Questions of the chapter Principles of Inheritance and variation has been discussed in this video.
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00:00 Biology Introduction: Principles of Inheritance and variation
00:55 Diagram Based Questions of Principles of Inheritance and variation
00:57 Mendel's Law of Inheritance
16:20 Steps in making a cross in pea
21:24 Diagrammatic representation of monohybrid cross
29:24 A Punnett square used to understand a typical monohybrid cross conducted by Mendel between true-breeding tall plants and true-breeding dwarf plants
37:51 Diagrammatic representation of a test cross
49:48 Results of monohybrid cross in the plant Snapdragon, where one allele is incompletely dominant over the other allele
57:51 Results of a dihybrid cross where the two parents differed in two pairs of contrasting traits: seed Color and seed shape
01:07:30 Meiosis and germ cell formation in a cell with four chromosomes.
01:09:21 Independent assortment of chromosomes
01:10:58 Drosophila melanogaster (a) Male (b) Female
01:12:09 Results of two dihybrid crosses conducted by Morgan. Cross A shows crossing between gene y and w; Cross B shows crossing between genes w and m.
01:33:16 2 Determination of sex by chromosomal differences: (a,b) Both in humans and in Drosophila, the female has a pair of XX chromosomes (homogametic) and the male XY (heterogametic) composition; (c) In many birds, female has a pair of dissimilar chromosomes ZW and male two similar ZZ chromosomes
01:35:37 Sex determination in honey bee
01:42:35 3 Symbols used in the human pedigree analysis
01:49:33 Myotonic Dystrophy Autosomal Recessive trait
02:15:20 Micrograph of the red blood cells and the amino acid composition of the relevant
portion of β-chain of hemoglobin: (a) From a normal individual; (b) From an individual
with sickle-cell anemia
02:24:29 Website Overview
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