Molecular Basis of Inheritance - Introduction (NCERT Class 12 Biology)

CBSE Class 12 Biology- Molecular Basis of Inheritance in English
NCERT Class XII Biology - Molecular basis of inheritance - Introduction
SCERT Class 12 Zoology Chapter 5 Molecular Genetics - English
XII STD - Bio-Zoology
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Topics covered in this video:
Discovery of Nucleic Acid :
• 1848, Wilhelm Hofmeister - Discovered Chromosome
• 1869, Friedrich Miescher - Discovered Nuclein
• 1885, Oscar Hertwig- Nuclein is responsible for transmission of hereditary characteristics
• 1889, Richard Altmann - Coined the term “Nucleic acid"
• Where is DNA present? In Eukaryotic DNA is within a nucleus. Surrounded by Nuclear Membrane. Nuclear membrane is a double membrane that encloses cell nucleus. It separate chromosomes from rest of the cell
• In Prokaryotic DNA is naked. Not surrounded by Nuclear Membrane. DNA is contained in a central area of the cell called the nucleoid
• Length of DNA is defined as number of nucleotides (or a pair of nucleotide referred to as base pairs) present in it
• Length of human DNA is 2.04 meter. Bacteriophage ΦX174 has 5386 nucleotides. Escherichia coli has 4.6 × 106 bp
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[@neetbiologyexpert571]

Topic-wise Lessons in Chapter: Molecular Basis of Inheritance
✔ Introduction - Historical Background : ua-cam.com/video/LN8hCWvAQac/v-deo.html
✔ Nucleic Acids and Nucleotides : ua-cam.com/video/0km19lJSk5k/v-deo.html
✔ Properties of DNA Double Helix : ua-cam.com/video/9WISDbCDUeI/v-deo.html
✔ Packaging of Eukaryotic DNA : ua-cam.com/video/bRMVjglIKTs/v-deo.html
✔ Packaging of Prokaryotic DNA : ua-cam.com/video/dYW-9H_YU0o/v-deo.html
✔ Griffith's & Avery, MacLeod and McCarty's Experiment : ua-cam.com/video/-tTLNIELU5k/v-deo.html
✔ Hershey & Chase Experiment : ua-cam.com/video/EkdLjUZufF0/v-deo.html
✔ DNA Replication - Enzymes and Mechanism : ua-cam.com/video/Wsw7_ucuC44/v-deo.html

[@sairamkadiyala8818]

Helo mam
How many lectures would you take to complete this chapter mam.....

[@gunasekaranlakshmanan5015]

Doctor is noble daughter of our nation she inducts biologigal knowledge to our youngstres to make them as scientists she imparts biologigal knowledge to vommon men of our vountry. To enrich their knowledge

[@mariappans4951]

Please do continue and complete this chapter as soon as possible ma'am , kind request

[@BhumikaBhumi-ud5gn]

Mam please upload all 2nd year chapter mam please

[@vijayprabhakar.jvijay935]

Super madam

[@subiksha8973]

Pls teach biological classification part 2 I like your classes😊

[@bhranirs9190]

Mam please explain in tamil

[@neetbiologyexpert571]

Watch here in Tamil : ua-cam.com/video/gA2-nptOWaY/v-deo.html