GCSE Biology - DNA Part 1 | Chromosomes & Genome (2026/27 exams)
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YouTubeCognito
GCSE Biology - DNA Part 1 | Chromosomes & Genome (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. DNA and Chromosomes * Definition and double helix structure of DNA (Deoxyribonucleic Acid). * How long strands of DNA are coiled up to form structures called chromosomes. * The number of chromosomes in human body cells (46 chromosomes, arranged in 23 pairs ...
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Abhay Mishra | Academic Advisor on Instagram: "Follow🎖️What is CRISPR-Cas9? CRISPR-Cas9 is a genome-editing technology adapted from a natural defense mechanism found in bacteria. CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats, and Cas9 is a DNA-cutting enzyme (endonuclease). In simple terms, CRISPR-Cas9 acts as molecular scissors guided by RNA, allowing scientists to precisely cut DNA at a chosen location in the genome. Core Components Guide RNA (gRNA): Directs Cas9
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Abhay Mishra | Academic Advisor on Instagram: "Follow🎖️What is CRISPR-Cas9? CRISPR-Cas9 is a genome-editing technology adapted from a natural defense mechanism found in bacteria. CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats, and Cas9 is a DNA-cutting enzyme (endonuclease). In simple terms, CRISPR-Cas9 acts as molecular scissors guided by RNA, allowing scientists to precisely cut DNA at a chosen location in the genome. Core Components Guide RNA (gRNA): Directs Cas9
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