After the blastula stagewhat is the following stage ofthe embryonic development?What is the passage fromblastula to the next stagecalled?

Q: What is the importance ofthe uterine glycogen-producing glands?

A: Uterine glands or endometrial glands are tubular glands, lined by ciliated columnar epithelium,…

Q: What are some advantages of cephalization?

A: Cephalization is the concentration of sense organs and nervous system control at the anterior head…

Q: During what process does the amnion envelop theembryo?a. embryonic foldingb. gastrulationc.…

A: The amnion refers to a membrane, which closely envelops the embryo when formed initially. It gets…

Q: In a developing chicken embryo, what mesoderm lines the amniotic cavity?

A: The amnion, chorion, yolk sac, and allantois are the four extraembryonic membranes found in amniotes…

Q: Describe briefly amniocentesis and its purpose.

A: The process of fertilization includes a sperm (male gamete) fusing with an ovum (female egg). In…

Q: What is the histological difference between a morula and a blastocyst?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

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 impact does the growth of the uterus during pregnancy have on other organs of the abdomen?

A: During pregnancy, the uterus grows slowly as the fetus grows and develops. The upper part of the…

Q: What is embryos

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: What aids in the differentiation or the maturation of the oogonium into a mature ovum?

A: Oogenesis is the process of formation of ovum. It occurs in ovary of female.

Q: How does the egg get from the ovary to a fallopian tube?

A: Reproduction is essential for the production of the healthy offspring and it is not necessary for…

Q: When does gastrulation occur?

A: Gastrulation occurs during week 3 of Human development. The process of gastrulation generates the…

Q: In humans, implantation in the uterus occurs at whichstage of embryonic development?a. zygoteb.…

A: An embryo is an unborn offspring in the steps of development. It is part of the life cycle. It is…

Q: What is ovum?

A: The fusion of the sperm and the egg is what brings about the formation of the zygote, which will…

Q: How does a morula differ from a blastocyst?

A: Morula Vs Blastocyst:         Morula stay distinct from a blastocyst, in which a morula (3-4 days…

Q: What are the cells producedin the first stage of theembryonic developmentcalled?

A: The process in which the embryo forms and develops is known as embryonic development.

Q: What is the cell divisionduring the first stage of theembryonic developmentcalled? How is this…

A: The process by which a parent cell divides into two identical daughter cells, is called Cell…

Q: ''In the early cleavage stages, when the embryocannot yet feed, the developmental program is driven…

A: The series of cell divisions that occur in a fertilized egg as it begins t develop into embryo is…

Q: What's the process of gastrulation in humans, how the embryo forms the three germ layers, and which…

A: The inner cell mass which is known as Blastula is now grown into a cell mass known  Gastrula and…

Q: Describe the events that occur following fertilization ofthe oocyte and the process of implantation…

A: The menstrual cycle of a woman repeats itself every 28 days and consists of four phases namely the…

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: 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: What triggers activation of the egg?

A: The sperm of several species are attracted to the eggs of their own species by the process of…

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: Sketch scrotum and outline each part with explanation.

A: The scrotum is a skin pouch that hangs from the body between the legs at the front of the pelvis. It…

Q: In a developing Chicken embryo, what is the fate of the postanal gut?

A: Postanal gut is the the extreme end of the alimentary canal.

Q: What is the structure intowhich the follicle istransformed after ovulation?What is the importance of…

A: Ovulation is a part of the menstrual cycle and is the process in which an egg is released from the…

Q: Draw the structure of female thallus and explain its parts?

A: Marchantia: It belongs to the kingdom Plantae and class Marchantiopsida. Its genus is Marchantia.…

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: How does the fertilized egg give rise to the adult body?

A: Introduction  Life starts from single cell called Zygote. Zygote is the single diploid cell resulted…

Q: What organism is usually observed when studying the blastula and gastrula stages?

A: Blastula are gastrula stage of development.

Q: What is the germ layerfrom which the coelomsoriginate?

A: During embryonic development, three germ layers are formed. They include an outer layer called…

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: Why is microscopic examination important to cestodes?

A: Cestodes - It is a parasitic flatworm of the class Cestoda and platyhelminthes phylum.   Some of the…

Q: Part IlI: Discussion 1. How can you distinguish an unfertilized egg from a fertilized egg? 2. As…

A: Fertilization is a natural phenomenon of producing mature male(sperm) and female(egg) gamete in…

Q: Which embryonic germ layer lines the inner surface of the archenteron?

A: Germ layer can be seen in embryonic development in animal embryogenesis. It is the layer of cells.…

Q: Describe the Amniocentesis procedure?

A: Amniotic fluid is a watery liquid formed from maternal plasma inside the amniotic sac of the…

Q: What is the first appearance of embryonic callus?

A: Callus is defined as an unorganized tissue mass growing on solid substrate. Callus forms naturally…

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: Concerning reproductionwhat is the function of thetesticles?

A: Introduction: Testicles are one of the male reproductive organs called as male gonads. These are…

Q: Gastrulation is brought about by an invagination of the blastula. True or False?

A: It is true.

Q: What would happen if a blastocyst implanted into the functional layer of the endometrium and a…

A: It is at the blastocyst stage of development that an embryo would normally move out of the fallopian…

Q: What is fertilized egg known as?

A: Fertilization When male gamete fuses with female gamete, this process is known as fertilization.

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: What is the difference in gastrulation and blastula process?

A: Answer : the difference between gastulation and blastula process is :    Gastulation is the stage of…

Q: What is the part of thefemale reproductive systemwhere fecundation occurs?

A: The biological process in which a new individual is produced from a parent is called reproduction.…

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: 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…

Q: How is the ovulation dateestimated with the control ofthe woman's bodytemperature?

A: The body's resting temperature increases lightly during the luteal phase (the second half) of the…