dont provide handwriting solution ... Use the following information to answer the next two questionsReproductive Processessperm2eggmulticellularembryoNote: The multicellular embryo (far right) forms by Day 6 of development.15. Where do the processes labelled 1 and 2 normally occur?Process 1 and 2 occur in a Fallopian tube.Process 1 occurs in an ovary and process 2 occurs in a Fallopian tube.Process 1 occurs in a Fallopian tube and process 2 occurs in the uterus.Process 1 and 2 occur in the uterus.16. Which of the following rows correctly identifies the name of the multicellularembryo at Day 6 and the hormone that the outer layer of cells in this embryosecretes by Day 7?Name of MulticellularRowEmbryo at Day 6Hormone Secreted by Outer Layerof Cells by Day 70GastrulaProgesterone0Gastrula0Blastocyst0BlastocysthCGhCGProgesteroneMacBook Air

15A) Process 1 and 2 occur in a Fallopian tube. Explanation: Fertilization and the first zygote…

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Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter17: Developmental Genetics

Section: Chapter Questions

Problem 11TYU

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There are 6 major events in fertilization. Discuss the process of fertilization or conception, with emphasis on the sperm-egg interaction. Proteins on the sperm plasma membrane bind to ZP3 molecules within the zona pellucida of the egg. Why is this event important? Zona binding triggers the acrosome reaction, in which the sperm plasma membrane fuses with the outer acrosomal membrane, causing exocytosis of acrosomal contents. What is in the "acrosomal content"? Acrosomal enzymes begin to dissolve a hole in the zona pellucida. This enzymatic degradation, accompanied by rapid sperm tail beating, moves the sperm through the zona. Where does the sperm intend to reach?
Development Label the following embryo development stages and cells:zygote, blastocoel, embryoblasts, blastomeres, morula, biastocyst, zona pellucida, trophohlasts Zuna pelmicida Stage: 3 Zy90+€ trophoblest blastucuel empryoblost Stage: OORa Stage: blaşt oist How does the overall size of the early embryo compare with the size of the zygote? Explain. At which stage of development does the embryo implant in the uterus?
1 3. Enzymes are important during the process of fertilization. What would be the anticipated consequences if the level of acrosin was low or non-existent in the acrosome? 5. The Sperm would not be able to break through the protective coat on the egg (zona pellucida). meaning the sperm are unable to fertilize anegg 4. The morula contributes to a layer that becomes the embryo and to cells that become the placenta. What are the names of these structures? Illustrate and label these layers/structures. What is the name of the outer cell layer of the blastocyst and what does it give rise to? Does this layer contribute to the development of the embryo? 6. Explain the origins of the blastocyst cavity and what purpose does it serve? 7. Describe implantation of a blastocyst using simple, labeled diagrams.
If cells choose to become trophoblast, they will end up in the placenta. If they choose to become ICM, they will give rise to the 3 germ layers that will make up the rest of the body of the embryo. Explain what rpocesses or mechanisms will guide them to make the right decision. Do they have a choice?
Vertebrate Fertilized Class Blastula or Blastocyst Late Morula Gastrula Egg Embryo Amphibian Reptile Mammal How long after ovulation does it take an embryo to develop? The resulting embryo may become the (attached) in the lining of After eight weeks of development the embryo is called the How long does it takes the fetus to develop and grow inside the mother? What is differentiation? The embryo continues dividing and form all the tissues organs and organ systems of the animal When should pregnant mother take most precaution?
Early Embryonic Development Match the following terms to the descriptor. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it, the list of choices will pop back up and you can make a different choice. Organogenesis Hollow ball of cells Gastrulation Formation of organs Cleavage Rapid cell division Cells rearrange themselves into layers Blastula
Discuss the following bellow: 1. Neural Crest Cells 2. Somites 3. Stem Cells Answer 1,2,3
Stages in Embryonic Development 1. The heart begins to beat. 2. Inner cell mass differentiates into three germ layers. 3. Mitosis leads to a 100-cell mass. 4. Implantation occurs in the endometrium. The embryonic developments listed above occur in the sequence and
give the Significance of the ff Cleavage to embryogenesis CAMs and Junctional complexes in epithelial cells of blastula
Label the early development stages shown in the following diagram.
Watch this series of videos (http://openstaxcollege.org/l/oocyte) to look at the movement of the oocyte through the ovary. The cilia in the uterine tube promote movement of the oocyte. What would likely occur if the cilia were paralyzed at the time of ovulation?
Examine the attached fig, which shows oogenesis in animalcells. Will the genotype of the second polar body (derivedfrom meiosis II) always be identical to that of the ootid?Why or why not?

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