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Place the steps in creating a transgenic crop in the order in which they occur in...
Transgenic plants can be generated using T-DNA plasmid carrying a gene of interest. To get the DNA into the plant cells, the researchers a. use a syringe needle to inject the DNA into pollen before fertilization b. use a syringe needle to inject the DNA into groups of cells in the plant’s root tissue c. co-cultivate bacteria that produce T-DNA along with plant cells, resulting in DNA transfer d. add a mild detergent to cultures of plant cells to open...
1. Describe the functions of the following reagents in extraction of DNA from corn meal: proteinase K; guanidine HCI; SDS 2. Why is the ratio of the OD at 260 and 280 nm used to estimate DNA purity? 3. In one paragraph, summarize basic principles of PCR technique in your own words. List all the reagents you will need to perform a PCR experiment. Does this method tell you what genetic modifications were made? If yes, describe how you can...
Unit 3 Study Resource Meiosis • Process by which diploid cells create haploid cells NOT part of the cell cycle > only some cells ever undergo meiosis During meiosis I, homologous chromosomes line up to allow them to be separated into two new cells o They can become "tangled" during this phase, which leads to crossing-over (rearranging the alleles) O Result of meiosis I is two non-identical haploid cells Meiosis Il looks very similar to mitosis, in that sister chromatids...