PDF-Mitiku T 2022 Review on Haploid and Double haploid Maize breeding

052 haploid Maize Zea mays breeding technology Science Bako National Maize Research Center Ethiopia Takele Mitiku Ethiopian Institute of Agricultural Research Ambo University Depart https. ij DD ij ij ij ij ij DD DD DD brPage 4br DD ii TATA 4 ij ij TABTAB ij DDD 44 var var AA DD brPage 5br AA DH DH AA 222 TTT GAAA VVV 222 2 4 TTT GAAA DH VVV C S AA CovFS AA Cov brPage 6br DH SC DH DH AA SC AA DH AA DH DH AA brPage 7br DH DH DH Dr. Brent Hulke. Research Geneticist. Tools available/under development. Germplasm Resources. SNPs/genomic resources. Doubled Haploid. Evolution of the term “conventional breeding”. Germplasm Resources. – so many options. Impacts of . Ploidy. Changes. Changes in chromosome number and structure can have major health impacts e.g. trisomy 21. Polyploidy in cultivated and domesticated plants is widespread and of evolutionary and economic importance. Larry Bull. UWE. SEX. . A Social Interaction in Complex Intelligent Systems . Evolutionary Computing. Nature. Hug et al. (2016) A new view of the tree of life. . Nature Microbiology. Bacteria. Conjugation :. Larry Bull. UWE. Larry Bull. UWE. SEX. . A Social Interaction in Complex Intelligent Systems . Evolutionary Computing. F = . f. (A). F’ = . f. (A’). Nature. Hug et al. (2016) A new view of the tree of life. . Impacts of . Ploidy. Changes. Changes in chromosome number and structure can have major health impacts e.g. trisomy 21. Polyploidy in cultivated and domesticated plants is widespread and of evolutionary and economic importance. Types. of Reproduction. Advantages. Disadvantages. Sexual. Asexual. Allows for genetic . variation. Can result in better species. Requires . partner. Does not . require. . partner. Generally . faster. Impacts of . Ploidy. Changes. Changes in chromosome number and structure can have major health impacts e.g. trisomy 21. Polyploidy in cultivated and domesticated plants is widespread and of evolutionary and economic importance. Germplasm. Mike Blanco & Andrew Smelser. USDA-ARS Plant Introduction Research Unit. Original Allelic Diversity Goals. Develop an unmatched collection of rare maize alleles.. Develop 1500-1800 . inbreds. th. , 2017. Pre-Class:. Briefly. summarize the events of the six steps of mitosis/cytokinesis.. . Expect . the Wheel of Doom!. Have your free response questions ready but . don’t. discuss them.. Cells Alive- . http://. cellsalive.com/meiosis.htm. . Meiosis animation. http://. www.youtube.com/watch?v=kVMb4Js99tA. . Meiosis Practice Test. Answer the following questions on the back of your review sheet.. Primarily terrestrial. Filamentous. __________. Coenocytic (aseptate). septate. mycelium. Haustoria. – specialized parasitic hyphae. Fungal Hyphae. General Characteristics. (animal-like). Heterotrophic. Telophase I and Cytokinesis Prophase II Metaphase II Anaphase II Telophase II and Cytokinesis Centrosome (with centriole pair) Sister chromatids Chiasmata Spindle Fragments of nuclear envelope Centrom Essential Idea: . Meiosis produces genetically-varied, haploid cells needed for sexual reproduction. 3.3.1 One diploid nucleus divides by meiosis to produce four haploid nuclei. Meiosis. . is a process that divides .