KS8, DOK 2) The diagram below represents the process used in 1996 to clone the first mammal, a sheep named Dolly. Which statement concerning Dolly is rrect? Sheep Sheep Egg cell from ovary Body cell Nucleus removed from eg g cell Nucleus from body cell inserted Early embryo Implanted in uterus of sheep Sheep Embryonic development Dolly
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- Notice that the size of the scale bar is 50 um. Keeping this image available, watch the șsea 4. Finding the size of a sea urchin embryo Observe the image of the sea urchin embryo. 50μm Photo credit. urchin embryo cell division movie Calculate the diameter of a sea urchin embryo at he one-, two-, and four-cell stages, Show your calculations below. If that video doesn't play (it unfortunately requires Flash), you can try this similar but longer one that involves a longer story of sea urchin romance preceding fertilization and zygote divisions! It lacks a scale bar, but you can use the scale bar from the image above. https://www.youtube.com/watch?v3D4445zftlCDQ a. One cell-your calculations: b. Two cells-your calculations: c. Four cells-your calculations:12:36 This account does not allow editing on your (X) device. For an account with full acces...more Sign in Biology Review L.16.17 – Mitosis/ Meiosis Compare and contrast mitosis and melosis and relate to the processes of sexual and asexual reproduction and their consequences for genetic variation. 1. Differentiate the processes of mitosis and meiosis. 2. Describe the role of mitosis in asexual reproduction, and/or the role of meiosis in sexual reproduction, including how these processes may contribute to or limit genetic variation. 3. Describe specific events occurring in each of the stages of the cell cycle and/or phases of mitosis. 4. Explain how mitosis forms new cells and its role in maintaining chromosome number during asexual reproduction. 5. Explain how cancer (uncontrolled cell growth) may result from mutations that affect the proteins that regulate the cell cycle. 6. Describe the process of meiosis, including independent assortment and crossing over 7. Explain how meiosis…Women sometimes develop benign tumors calledovarian teratomas or dermoid cysts in their ovaries.Such a tumor begins when a primary oocyte escapesfrom its prophase I arrest and finishes meiosis Iwithin the ovary. (Normally meiosis I does not finish until the primary oocyte is expelled from theovary upon ovulation.) The secondary oocyte thendevelops as if it were an embryo. Development isdisorganized, however, and results in a tumorcontaining differentiated diploid tissues, includingteeth, hair, bone, muscle, and nerve. If a dermoidcyst forms in a woman whose genotype is Aa, whatare the possible genotypes of the cyst, assuming norecombination?
- Activity 8: Sequencing Meiotic StagesLabel the stage of meiosis in each box below each diagram. Then, cut out each figure and arrange the cells so they reflect the proper order of stages of meiosis -starting with a cell in interphase and ending with the completion of meiosis. Write the letter sequence of the cells in your Lab, Activity #8.AMeiosis in animal cell1. 10 Meiosis Reading and Voc X James Green- Recovery Opportu X d/e/1FAlpQLSe2TqFrpPuk-re3-isqbyWK6SUIH3pkHhJdbT0tlqogh58bww/viewform?hr_submission=Chkis-WD4ZSE What is the process by which haploid gametes combine, forming a diploid 3p cell with 2n chromosomes, with n chromosomes from the female parent and n chromosomes from the male parent? Topography O Fertilization Genomics Crossing over 2 points nit that controls inherited trait expression that is passed IIZ File Arial Home 12 8 Type here to search Insert S W X Draw B I U ab 13 #3 3 LLJ Layout E C Review f4 D S X₂ R View O E LL x² 15 Task 6 V AAEEEE A) (1) What types of cells are produced by meiosis and mitosis? C 5 (DJ ACTUAL (c) Why is the curve at A - B steeper than the THEORETICAL line? de in (ii) Explain the significance of the difference in the number of chromosomes. (i) What are the possible uses of the cells produced from mitosis and meiosis? f6 D T G The Cell Assignmen: 22.23 - Saved 6 B 17 Y H W & 7 18 hp 7 N U 19 0 8 4 u M 10 9 Heading 1 15 K ä (A.C.2.3) F11 Heading 2 112 Mahammac Zawia Normal 9 C 7°C Mostly cloudy ^940) scroll diam 19 pause brick Share 12:00 AM 11/24/2022 insert backspace I Ę₂
- Describe one function, brought about by the process of meiosis thatspermatogenesis and oogenesis have in common. Please write the similarities between spermatogenesis and oogenesis in a paragraph ratherthan a table. Please discuss the process mentioning differentiation, multiplication anddivision. How many stages of meiosis do they go through. Please mention if haploid ordiploid cells are formed.10:10 E ← sisAndMeiosis.docx FREE EDIT PDF FREE CONVERT PDF TO WORD 2. Why are chromosomes important? 3. How are meiosis I and meiosis II different? 1. What is the state of DNA at the end of meiosis I? What about at the end of meiosis II? 4. Why do you use non-sister chromatids to demonstrate crossing over? 7. Identify two ways that meiosis contributes to genetic recombination. 10. P FREE PDF FILLER 5. What combination of alleles could result from a crossover between BD and bd chromosomes? 8. Why is it necessary to reduce the number of chromosomes in gametes? 6. How many nuclei are present at the end of meiosis II? How many chromosomes are in each? a. Sperm Cell b. Egg Cell AP_5 c. Daughter Cell from Mitosis ON 5G I 9. Blue whales have 44 chromosomes in every cell. Determine how many chromosomes you would expect to find in the following: d. Daughter Cell from Meiosis II COUS ra PAGE 10... FREE CONVERT JPG TO PDF X OeScience Labs, 2016In cleavage states what is blastomeres, 2-cell stage, 4-cell stage, and 8-cell stage.
- describe at least 2 specific examples of a developmental process that include molecules from the category as a component. Specify the molecule involved in each category (e.g. ECM: collagen, CAMs: cadherins, Cell junctions: desmosomes). Include images to illustrate the process. Category Developmental Process Image ECM 1 2Cleavage divides the eggs of vertebrates and many other animals into a cluster of separate cells. By contrast, theequivalent stage in the Drosophila embryo generates a syncytium. How does the presence of a syncytium affectthe early development of Drosophila?10:34 1 A docs.google.com (3) gamete production O (4) gene manipulation One function of the placenta in a 1 point human is to * (1) Allow nutrients to diffuse from the fetal blood to the maternal blood (2) Allow for mixing of maternal blood with fetal blood (3) Act as the heart of the fetus, pumping blood until the fetus is born (4) Permit passage of nutrients and oxygen from the mother to the fetus The diagram below represents a 1 point system in the human body. The primary function of structure X is to