14. Following fertilization, a zygote divides and soon becomes a multicellular embryo with many different cell types, as represented below. Which statement best explains this development? * 7voote

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Q: QUESTION 17 What is neurulation? O a. The process by which structures become complex and…

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Q: ......... is not developmental event in human and frog.   After fertilization rapid cycle of…

A: Fertilization is the event that marks the fusion of the female and male gamete which leads to the…

Q: +Describe the process of implantation of the embryo, what cells are involved and their roles.…

A: Implantation is the process where the blastocyst attaches to the endometrium of the uterine cavity.…

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Q: 37. What are the 36. What are the structures? structures?

A: Hi. Since you have asked multiple questions. We are answering the first one for you. Please…

Q: 3. (a) What are the four processes that drive embryonic development? (b) What two processes drive…

A: Embryonic development involves the stages of development from formation of a single celled zygote…

Q: Which process occurs between the zygote and the embryo stage

A: Fertilization is the process of fusion of the male gamete and the female gamete, resulting in…

Q: Why does the dispersion or contraction stage of the developmental cycle assume a complex character

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Q: Q1. How many stages of cleavage can you identify? Q2. What is the adult fate of notochord?

A: Cleavage is the division of cells in early embryo. Notochord is a cartilaginous skeletal rod…

Q: Meroblastic cleavage is typical of embryos formed from _______________ eggs. (a) moderately…

A: The egg is the vessel of the zygote, in which an embryo develops until it becomes mature enough to…

Q: What will guide them to make the right decision?  Do they have a choice?

A: Answer: 1.trophobalst or icm if cells choose to become they will end up in the placenta and if they…

Q: Compare and contrast embryogenesis and morphogenensis and Outline the difference of somatic…

A: Embryo  Embryo is the developing young one of multicellular organisms.

Q: 3. During the course of successful prenatal development, a human organism begins as a(n): A) Zygote…

A: The goal of developmental biology is to comprehend how an organism develops—how a single cell…

Q: Explain the significance and describe the features of fertilization and cleavage in early animal…

A: Animal embryonic development is also called as embryogenesis. After the fertilization of the zygote,…

Q: -3. The figure below shows cleavage stages in an embryo. From studying the photographs, what can you…

A: On fertilization, the zygote undergoes cleavage. That is the process of development of multicellular…

Q: Birds, reptiles and insects have something in common as far as the development of their embryos.…

A: Answer :- Birds, insects and reptiles are higher vertebrate . All of these are developed from…

Q: Name the three embryonic tissue layers of vertebrate embryos,and describe the process by which they…

A: Gastrulation is the cycle where differentiated cells from the zygote move to their particular areas.…

Q: 32. What stage of embryo development is this? 33. Name the structure

A: Developmental biology is the branch of biology in which the development of the organisms from the…

Q: Explain how the flat embryonic disc takes on the cylindrical shape of a tadpole.

A: The embryo is the first phase of the development of the offspring. The life cycle starts shortly the…

Q: 3) List the stages of development once the egg is fertilized. (When a woman and a man have sexual…

A: Human embryonic development, or human embryogenesis, refers to the development and formation of the…

Q: 10. Draw and label a 14-day conceptus showing the chorionic sac, the chorionic cavity. Be sure and…

A: During the early stages of embryonic development, various structures and layers form within the…

Q: Explain the developmental and functional similarities and differences between:   1. Avian yolk…

A: Three fetal membranes are present in mammals; yolk sac, amnion, and allantois. Yolk sac and…

Q: What mechanisms have evolved in animals with(a) external fertilization and (b) internal…

A: The process that involves fusion of the male and female gametes namely sperm and ovum respectively…

Q: Internal and external fertilization both ……… occur only among birds. produce single-celled…

A: The question is asking us to identify a common characteristic between internal and external…

Q: What are the different mechanisms the egg employed to ensure that only one sperm cell will fertilize…

A: Polyspermy refers to fertilization of an egg cell by numerous sperms. It is avoided during…

Q: By the end of gastrulation the [Select] * has surrounded the outside of the embryo, the [ Select ]…

A: Gastrulation refers to the process by which a gastrula is formed from a blastula. Grastrula is the…

Q: Explain the following terms: ectoderm, endoderm, mesoderm and stem.

A: Animal phylogeny is a rapidly changing field. The biologists mostly depend on the fossils to compare…

Q: List the stages of development once the egg is fertilized

A: The cycle in which a life form creates from a solitary celled zygote to a multi-cell creature is…

Q: 7. Name the stage of development represented in the photo. 8. The blue arrow is pointing to the…

A: Embryogenesis or embryonic development is the process that explains the development of fertilized…

Q: Describe the roles of the four extraembryonic membranes.

A: We can say that One of the membranes that aid in the development of the embryo is the extraembryonic…

Q: Describe the development of the amniotic cavity, the bilaminar embryonic disc, the yolk sacs…

A: There are many different stages in the development of the fetus. After fertilization, the zygote is…

Q: What are 2 unique cell biolgical features of the egg and 2 unique cell biological features of sperm?…

A: Key references:Giojalas, L. C., & Guidobaldi, H. A. (2020). Getting to and away from the egg, an…

Q: Describe how neurulation occurs. Why is it important?

A: We know that The continuation of species in the world is due to the process of reproduction; either…

Q: 9. Some biologists contend that the term double fertilization is a misnomer and that the process…

A: Fertlizatiion is the process of the male gamete, sperm, fusing with the female gamete, the ovum,…

Q: 10 @ 2 # 3 Question 6 During the start of the third week of development, numerous lacunae appear in…

A: The question is asking about the location of the primary extraembryonic mesodermal reticulum during…

Q: What four types of cellular processes must occur to enable a fertilized egg to develop into an adult…

A: Pattern development is the cycle by which a particular cell, the treated egg, partitions to offer…

Q: 4. In the table below, describe the roles of the extraembryonic membranes. Amnion Allantois Chorion…

A: Four membranes known as extraembryonic membranes aid in the growth of an animal's embryo. These…

Q: Which statement does NOT accurately describe somites?   series of tissue blocks   form the ribs and…

A: Embryology is the study of development and growth of fertilized egg(zygote) into mature embryo. The…

Q: Provide and label an image of an egg that is in its early cleavage, distinguish this stage from…

A: Embryonic development: a. It is the development that occurs when the embryo is formed and develops…