A gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the formation of a third layer in the embryonic disc C. Involve the formnation of germ layers D. Include the differentiation of cells into tissues and organs

Q: Discuss the process of gastrulation and embryonic folding?

A: Gastrulation is the process of cell relocation and distinction into three primary germ layers…

Q: Describe the movement of cells during early development that change an embryo from a blastula to a…

A: To describe: The movement of cells during early development that changes an embryo from a blastula…

Q: hy is it that the first trimester of pregnancy the most critical in humans? How will you relate it…

A: It is the early phase of pregnancy. The first trimester is marked as 1st day after your last period…

Q: Placenta ... a) ... develops from trophoblast cells. b) ... develops from embryoblast cells. c)…

A: Pregnancy occurs when the male gamete sperm fuses and fertilizes with the female egg that is…

Q: The location of a cell during gastrulation plays a role in determining the cells fate in the…

A: The process of embryonic development during which the embryo having a single layer of cells called…

Q: The seven-day blastocyst: A. has a single layer of trophoblast at the embryonic pole B. has an…

A: The correct option is C.

Q: umbilical cord is formed from the chori

A: Within the uterus, the cells start to divide and form a ball of cells known as the blastocyst. It…

Q: How do the shape and structure of the uterus of the fetal pig compare with that of the human?

A: Reproductive system is used for the sexual reproduction. Female internal reproductive organs include…

Q: embedded

A: The Uteroplacental circulation is the vascular contact that is present between the uterus and the…

Q: Discuss the following terms in detail: 1.1  Fertilisation  1.2  Cleavage   1.3  Gastrulation 1.4…

A: Gametes are defined as the reproductive haploid cells of the organism where they consists of 23…

Q: Name two structures derived from each of the three embryonic tissue layers: endoderm, ectoderm, and…

A: Two structures derived from each of three embryonic tissue layers are : Endoderm  gives rise to…

Q: The inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: Investigate how the mass of the inert yolk affects reptiles, mammals and amphibians gastrulation

A: The development of multi-cell organic entities starts from a single celled zygote, which goes…

Q: The formation of three germ layers is called Select one: a. gastrulation b. pluripotency c.…

A: A zygote is the fertilized egg that is formed by the fusion of the egg and the sperm via the process…

Q: Which of the following has three germ layers? (a) morula  (b) gastrula (c) blastula (d) blastocyst…

A: Answer is b.)  gastrula.

Q: Explain why growth of the blastomeres cannot take place  during cleavage?

A: Development in biology occurs to ensure the formation of multicellular organisms from the single…

Q: Somites, in the embryo, give rise to muscle. Is the statement above true or false?

A: Somites are found around neural tubes in the embryonic stage of a vertebrate. Somites are made up of…

Q: List and describe the phases of embryonic development; from a zygote through gastrulation.  What…

A: Reproduction is the process of the formation of offspring from their parents. There are two modes of…

Q: The outermost germ layer in a vertebrate gastrula is the____ . a. endoderm c. mesoderm b. ectoderm…

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: Distinguish between modes of mesoderm formation

A:

Q: Match the germ layer with the correct derivative Gastrodermis v [ Choose ] Ectoderm Endoderm…

A: There are 3 germ layers ectoderm, mesoderm and endoderm giving rise to different organs in…

Q: Name the embryonic membranes and give the importance of each

A: Embryonic membranes are the membranes that lead to the development of the embryo in the mother's…

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: After the zygote undergoes several mitotic divisions, the resulting structure that implants in the…

A: Fertilization is the process in which gametes fuse to form a zygote. The zygote undergoes several…

Q: . The structure labeled C, within which development occurs, is known as the a. placenta. b. oviduct…

A: The picture is showing the foetus in the womb of mother.

Q: What is the significance of gastrulation?

A: Gastrulation is the embryonic stage in which all the germinal layers are being developed. It is a…

Q: Explain the implantation of blastula and differentiate the embryonic from extraembryonic tissues.

A: The development of multi-cellular organisms begins from a single-celled zygote, which undergoes…

Q: Which of the following is common to the development of bothbirds and mammals?(A) holoblastic…

A: Birds are any warm-blooded vertebrate of the class Aves. Birds have forelimbs modified into wings, a…

Q: Identify two differences between a zygote and blastocyst

A: The fusion of male and female gametes is termed as fertilization. The process of fertilization takes…

Q: Explain the location of the testes in the fetal pig.

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: What is the purpose of the placenta? Which part of the blastocyst eventually becomes the fetal…

A: Introduction  An organ that grows in the uterus during pregnancy is the placenta. A developing…

Q: Match the terms in column A with the descriptions in column B. Column A a. blastocystb. chorionic…

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: What are the three germ layers formed during gastrulation?

A: Developmental Biology is the field of biology that studies the processes by which multicellular…

Q: ''Because of the many later developmental trans-formations that produce the elaborately structured…

A: The germ layers develop early in embryonic life, through the process of gastrulation. Triploblastic…

Q: Which of the following statements is not true about the placenta?  A. It provides exchange of wastes…

A: During pregnancy, inside the uterus, the organ placenta develops. It is found attached to the wall…

Q: List and describe some developmental anomalies associated with gastrulation.

A: The term gastrulation basically address the early development of embryo from 1-D layer of epithelial…

Q: Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus…

A: The uterus or womb is a hollow muscular organ which is located in the pelvis of female between the…

Q: Which of the following statements is false? a. Cadherins, but not integrins play a role in…

A: Fertilization takes place when the nucleus of the sperm fuses with nucleus of the eff. A zygote is…

Q: Explain the origins of the blastocyst cavity and what purpose does it serve?

A: The blastocyst is formed just after 5 days of fertilization.  It is composed of inner cell mass…

Q: Which of the following describes the importance of the formation of the morula in early human…

A: The fertilization leads to development of the first diploid cell which is called a zygote. By day…

Q: explain the developmental processes that will happen to the fertilized ovum of a dog or any animal

A: The individual entity that embodies the attributes of life is known as an organism. There are two…

Q: Which of the following statements is NOT correct about the umbilical cord?   a. The umbilical cord…

A: There are 4 extraembryonic membranes that support the growing embryo namely the Yolk sac, Allantois,…

Q: Compare the processes of oogenesis andspermatogenesis in humans

A: A cell that contains half the number of chromosomes of a somatic cell and able to unite with one…

Q: explain the developmental processes that will happen to the fertilized ovum of a dog

A: The age at which dogs reach sexual maturity varies considerably. Smaller breeds appear to mature…

Q: What are the three main cell types formed during gastrulation? Give examples of which tissues are…

A: gastrulation is a stage of embryonic development where gastrula is formed from single layer…