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Domain IIIGenetics
DNA •Nucleic Acids and Nucleotides
•Adenine/Thymine •Guanine/Cytosine •Double Helix •Location: Nucleus
Nucleotide Structure
RNA•Ribose•Single Strand•Adenine/Uracil•Guanine/Cytosine•mRNA, tRNA, & rRNA
RNA Transcription
Translation: Protein Synthesis
Gregor Mendel and Genetics
Mendel’s Laws•Law of Dominance •Law of Segregation•Law of Independent Assortment
Meiosis•Diploid/Haploid•Gametes: Egg/Sperm•Genetic Recombination–Crossing-over/Ind. Seg.
•Zygote•Mutations: Frame Shift/Point
Independent Assortment and Segregation
Mitosis•Process in which threadlike nuclear material is divided equally between two daughter cells.
•Mitosis keeps the number of chromosomes constant from one cell generation to the next.
•Growth and tissue repair •Asexual reproduction in many organisms: binary fission, budding, and fragmentation.
Cytokinesis
Genetic Engineering•Researchers use recombinant DNA technology to analyze genetic changes.
•The cells copy the foreign DNA right along with their own DNA.