Q: Which is theextraembryonic membranewhose function is to storenitrogen wastes of theembryo? Is this…
A: The membrane that is known to assist the developing embryo is known as an extraembryonic membrane.…
Q: In a maximum of 15 sentences, explain the developmental processes that will happen to the fertilized…
A: Did you know that there were almost four million babies born in the United States in 2014? The birth…
Q: ''As development progresses, individual cellsbecome more and more restricted in the range of cell…
A: Cells are the basic unit of life. They are often known as "building blocks of the body" and exhibit…
Q: What generates the first differences among cells in an early embryo? And what controls the…
A: Embryonic differentiation refers to the process in which embryonic cells possess specialization and…
Q: Which cells produce a hormone that is responsible for an increase in muscle and red blood cell mass,…
A: Testosterone is male sex hormone or androgen which stimulate secondary sexual characteristics in…
Q: What are the stages of egg cell development in humans?
A: Oogenesis is the growth process of a primary egg cell into a mature ovum in the human female. There…
Q: What is the differencebetween amnion and chorion?
A: Both amnion and chorion are present during a woman’s pregnancy and are part of the extra embryonic…
Q: What is the embryonic sac?Which are the cells that formthe embryonic sac? What aretheir ploidies?
A: The angiosperms are vascular plants that produce flowers and fruits, and they belong to the phylum…
Q: What happens to the cell cycle of the secondary oocyte?
A: Oocyte is a female germ cell or gametocyte that participates in the reproduction. It is basically an…
Q: Name the third tier of embryonal cells in pinus formed.
A: All plants come under the kingdom Plantae. They are eukaryotes, multicellular, and having cell…
Q: What is embryos
A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…
Q: Indicating the name and respective ploidy of each involved cell how can theformation of egg cells…
A: the formation of egg cells from the germ cells occurs in the ovaries this process is known as…
Q: What is cephalization? How does lateral symmetry favor cephalization?
A: Symmetry is the balanced distribution of duplicate body parts or shapes within the body of an…
Q: Why must animals be modifi ed in the embryo stage?
A: In this question, we will discuss the fundamentals of how humans have learned to manipulate genetic…
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: What do yu mean by umbilical cord and state its function and location.
A: The process of fusion of male and female gamete is called fertilization. The diploid cell formed…
Q: What are the differencesbetween spermatogenesis and oogenesis?
A: The male and female reproductive organs, the testes, and ovary are called gonads. These contain…
Q: What are extraembryonicmembranes?
A: The embryology is the study of the formation and development of embryonic structures right from the…
Q: What is meant by the term “activation” in embryology?
A: Embryology is a branch of biology. It is the study of formation, growth as well as the development…
Q: What special features are evident in sperm cells butnot in somatic cells, and how do these…
A: Somatic cells are globular in shape under the microscope. Sperm cells are elongated and consists of…
Q: What is developmental mechanism?
A: In biology, a mechanism is a system of causally interrelated elements and processes that result in…
Q: What are embryonic stem (ES) cells ?
A: Stem cells are cells that are undifferentiated or "blank." This ensures they have the potential to…
Q: Identify the structures of an egg and a sperm that aredirectly involved in fertilization.
A: Fertilization is that the method by that the male and also the female gametes (sperms and therefore…
Q: Which cells are harvested from the early embryo for stem cell research? O enucleated cells umbilical…
A: 23 Answer is all blastocyst cells
Q: How are animals classifiedaccording to the germ layerspresent in their embryonicdevelopment?
A: Germ layers are developed during embryogenesis. They are programmed to develop specific organs,…
Q: After the blastula stagewhat is the following stage ofthe embryonic development?What is the passage…
A: The process by which the embryo forms and develops is known as embryonic development. It includes…
Q: What is the differencebetween spermatids andsperm cells? What is the nameof the transformation…
A: Male reproductive organ involves testes, scrotum, spermatic ducts, and prostate glands. Testes…
Q: Explaintheroleofmitosisin: (a) A developing embryo (b)Anadult:
A: An embryo is the early stage of the development of a multicellular organism. In organisms that…
Q: Rarely, two sperm may penetrate a secondary oocyte. Do youthink this fertilized cell will survive…
A: Fusion of only one sperm takes place with the egg.
Q: Which embryologic tissue develops into the spinal cord (mesoderm/ectoderm/endoderm)?
A: The formation of the embryo is one of the defining features of sexual reproduction. This embryo…
Q: how is a childs wolrd broadend during the preoperational stage?
A: Piaget theory states the four different stages of the development of children and that depicts…
Q: what is celluar cleavage thats occur in the early stages of development?
A: The development of an embryo is characterized by the process of cell division and cellular…
Q: What are thepredominating chemicalcompounds respectively ineggshell, white and yolk?
A: Egg contains three parts: egg shell, egg white and egg yolk. The shell contains the viscous liquid…
Q: Why are the cell movements (i.e. invagination, involution, epiboly) important in proper development…
A: The study of embryo development is known as embryology. This covers the transformation of a…
Q: How does the malegamete penetrate the eggcell? How does the femalegamete protect itself from…
A: The process of fertilization is characterized by the fusion of the male and female gamete for the…
Q: What result would Jost have obtained if female development alsorequired a signal from the gonad?
A: Endocrine system is a regulatory system of ductless glands that secrete chemical messengers called…
Q: What happens to the second sperm nucleus, the one that does not fertilize the egg cell? What is the…
A: Sexual reproduction is a fusion of male and female gametes to produce offspring from the zygote.…
Q: what would likely occur if cilia were paralyzed at the time of ovulation?
A: Ovulation is the process of release of ovum from the ovary. It occurs when the FSH and LH both…
Q: What is gastrulation? Howduring gastrulation are thefirst two germ layers formed?What are these germ…
A: Reproduction is the process of development of new offspring from the existing organisms. It is of…
Q: Which germ layer does structure #5 arise from?
A: The given image depicts a chicken embryo after about 33 hours of fertilization. At this stage, the…
Q: During embryogenesis, how do segments become different that one another?
A: The process of forming and developing an embryo from a zygote (zygotic embryogenesis) or a somatic…
Q: why are the immature cells important
A: In biology, we believe that cells are the basic building blocks of the life. They are the smallest…
Q: The zygote is described as totipotent because itultimately gives rise to all the cells in your body…
A: Introduction The zygote is the fertilized egg, a single cell formed by the fusion of an egg and…
Q: How does the sperm reach upto egg and how does it enter into the egg?
A: Fertilization is the process in which a sperm and egg are fused together in the uterine tube of the…
Q: The order in which the physiological stages occur during embryonic development is and
A: The fusion of haploid male gamete(sperm) and female gamete(egg/ovum) to form diploid zygotes is…
Q: How can matter alone construct itself into the organized tissues of the embryo?
A: The embryo is the development stage in multicellular organisms. The development of the embryo begins…
Q: What are gonads? What arethe male and the femalegonads in humans?
A: Reproduction is the biological process by which new individual organisms – offspring, are produced…
Q: How do cells communicate, interact, and understand their place in the embryo?
A: Cells: In the human body, cells play a major role which provides the structure, intake the nutrients…
Q: Name two organ-system derivatives of each of the three germ layers.
A: A germ layer is a gathering of cells in an undeveloped organism that collaborate with one another as…
What is the cell division
during the first stage of the
embryonic development
called? How is this stage
characterized?
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Solved in 2 steps
- What are the cells producedin the first stage of theembryonic developmentcalled?What special features are evident in sperm cells butnot in somatic cells, and how do these specializationsfunction?In Figure 13-2, the transplantation of certain regions ofembryonic tissue induces the development of structuresin new places. What are these special regions called, andwhat are the substances they are proposed to produce?
- How can matter alone construct itself into the organized tissues of the embryo?How does distribution of the gray crescent affectthe developmental potential of the first two daughter cells?Which is theextraembryonic membranewhose function is to storenitrogen wastes of theembryo? Is this functionpresent in placentalmammalian embryos?
- Indicating the name and respective ploidy of each involved cell how can theformation of egg cells fromgerm cells be described?What parts are persistent throughout the development of the embryo? Why are these present in all the stages?What generates the first differences among cells in an early embryo? And what controls the differentiation of all the various cell types as development proceeds?