Which of these would be a valid hypothesis? Select one: a. Humans are controlled by forces beyond our understanding. b. Humans and bacteria share a common genetic code. c. Humans should help in the conservation of other animal species. d. Humans are responsible for the sustainable use of resources. e. Human history is determined by a series of supernatural events. Feedback Your answer is correct. Question 2 Incorrect Mark 0.00 out of 2.00 Flag question Question text A hypothesis
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Complete the following questions and submit via Blackboard 1. List two events which occur during prophase of mitosis: 1. An aster is formed by fibers radiating from the centrioles of the cell. 2. Chromosomes are formed when the chromatin threads coil and then condense‚ and these chromosomes are two identical chromatids bound together by a centromere. 2. What is the main occurrence involving the chromosomes during
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5. Are the following X-linked or Y-linked? a. red-green colorblindness b. hemophilia c. hairy pinna (hairy ears) d. SRY gene e. Duchenne’s MD 6. List chromosomal anomalies that can result from XX nondisjuction in a. spermatogenesis b. oogenesis. List chromosomal anomalies that can result from YY nondisjuction in spermatogenesis. 7. What determinations can be made by careful examination of a pedigree? 8. Landsteiner (ABO) blood groups. List the genotypes. List the corresponding
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Cell Cycle Definition- The process of the cell to divide into new cells. Interphase Description- the phase that occurs before cell division‚ the preparation for cell divisions Stages: G1- Rapid growth of the cell‚ metabolic activity. S- Synthesis‚ DNA replication. G2- Getting ready for cell division. Centrioles replicate Mitosis and Cell Division Function- To grow repair and maintain the cells in the body along with the reproduction of those cells. Results- Two identical daughter
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of the chromosomes possessed by the parent cell. This process is not completed until fertilized by the sperm. 3. What are the differences between spermatogenesis and oogenesis? First‚ four spermatozoa are produced from each precursor cell in spermatogenesis‚ but only one ovum is formed from each precursor cell in oogenesis. The other three “daughter cells” derived from the meiotic divisions are discarded as polar
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the pathway of spermatozoa? What is the role of seminiferous tubules? What organ produces mature sperm? What percent of sperm comes from accessory glands? How many sperm are in one ejaculate? What are the 4 main organs of the female? What is oogenesis? 28-30)Complete the Venn
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BIOLOGY 1101 FINAL EXAM STUDY GUIDE (1-24) Reproduction Male Reproduction - Testis = where sperm cells are made (in tubuoles) and then are housed/enclosed in the scrotal sack o The Inguenal Canal is the muscle that allows the testis to drop (occurs about 1yr old) - The tubuoles merge to form the Epididymus at the top of the testes…this is where sperm are stored - Seminiferous Tubuoles = all the coils in the balls…all of these eventually lead to the epididymus - After sperm is
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it space to store and create nutrients (see fig 3) (Boyle and Senior 2008) The ovum is bounded by the egg follicles of the ovaries and is produced by primitive germ cells which are located in the substance of the ovaries‚ this process is called oogenesis. Once a month during ovulation the ovum are released due to an opening of a follicle at the surface of the ovary. The ovum is then carried by the uterine tube into the uterus. If the egg has not been fertilized it is released from the uterus during
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Life Science Lab. A. Arnold Tuesdays @ 2:30 September 30th‚ 2011 Lab Report: Nuclear and Cell Division. PART A: Stages of Mitosis in my own words. 1. Interphase: DNA has formed already‚ but it remains in the simple form of chromatin. Chromatins are structures that are loosely coiled in the cell.3 I also observed during my lab that this was the only stage where I could still see a nucleus and nucleolus intact within the cell; this is because it’s the only stage where the nuclear membrane has
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Oviducts 4. Female genital aperture 5. Spermathaceae 1. Ovary- They are the white lobed structures which are present in the intersegment of 12/13. They consist of ova secreting cells. The ova are usually generated by the process of oogenesis. They are generally arranged on the basis of maturation. The matured ones are contained in the distal end whereas the immature ones are concentrated in the proximal end. 2. Oviducal funnel- A pair of funnel-like structure is present beneath the
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