Q: After fertilization the blastocyst develops three germ layers. Which germ layer is the innermost…
A: In the human embryo , after about three days of fertilisation,the zygote forms a solid mass of cells…
Q: What are three notable features between the fertilized and unfertilized egg?
A: Sperms and eggs are the gametes produced by male and female animals respectively in sexual…
Q: What is the main stimulus for the secretory phase of the endometrium?
A: Endometrium is the inner lining of uterus made of columnar epithelial cells. Its part of female…
Q: What is the difference between internal & external fertilization?
A: The process in which a male gamete commonly known as sperm that is released by the male reproductive…
Q: What are the archenteron and the blastopore? What is the stage of the embryonic development in which…
A: Gastrulation is the phase in the embryonic development of animals. During this phase, the blastula…
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: How is the yolk sac formed?What is the function of theyolk sac?
A: Yolk sac is the membranous sac attached to the embryo. It is also known as umbilical vesicle.
Q: Where does fertilization takes place in human female?
A: The human female reproductive system includes a pair of ovaries, oviducts, uterus, vagina, vulva,…
Q: How is a fetus usually positioned in the uterus as birth nears?
A: Answer: Introduction: The place of the baby in the uterus is known as the presentation of the fetus.…
Q: How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of…
A: Fertilization is a natural life process that involves the union of male and female gametes,…
Q: How do the somites, intermediate mesoderm, and lateral plate mesoderm contribute to embryonic…
A: The early stages in the case of embryonic development start with fertilization. The fertilization…
Q: How are the development events, which you have observed to occur in the testis and ovary,…
A: The initial processes of gonads development are essentially similar in both sexes consisting of…
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: Which events make up the three stages of labor?
A: Events that make up the three stages of labor are : Active labor : when neck of cervix is dilated…
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 the oocyte nucleus move during oogenesis?
A: Oogenesis: Otherwise called as ovogenesis. This is a process that happens during the embryonic…
Q: How does oogenesis produce egg cells?
A: Oogenesis is a type of gametogenesis that results in the production of female gametes, also called…
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: Which structure connects the embryo to the placenta?
A: Umbilical cord
Q: What are the functions of somites?
A: To define functions of somites
Q: What is the function of the placenta?
A: Placenta is formed after implantation of the embryo has occurred on the uterine wall. It is a…
Q: What are the properties of the multiple ovulution embryo sac?
A: MOET approach involves the production of multiple ovulation embryo sac which contains flush of…
Q: What happens during the stage of dilation, the stage of expul- sion, and the placental stage of true…
A: Labor Series of events that take place in the genital organ in an effort to expel the viable…
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: "What is the advantage of internal fertilization over external fertilization and vice versa"?
A: The natural cycle by which new individual creatures – "offspring" – are delivered from their…
Q: What is the advantage of cephalization?
A: Cephalization is an evolutionary process of concentrating the nervous tissues, sense organs and…
Q: what is the purpose of calcium ion in fertilization?
A: * Fertilisation is an generative fertilisation fusion of gametes gives rise to a new individual…
Q: Are the extraembryonicmembranes the same in allvertebrates?
A: An embryo is an early phase development for an unborn baby. A small fertilized egg divides and grows…
Q: How do we develop from a single fertilized egg cell?
A: Introduction:- Fertilization is the process of haploid gametes fusing together to generate a diploid…
Q: How is the yolk formed?
A: Cells are the basic structural and functional units of life. These are the building blocks that make…
Q: What is embryological development?
A: Embryo is defined as the early developmental stage of an animal. It is an embryo while it is in the…
Q: Where oogenesis does takes place. Describe the stages of this process?
A: Diagrammatic representation of oogenesis: -
Q: How is the yolk formed in terms of embryogenesis
A: Embryogenesis is the course of improvement of an undeveloped embryo from the zygote. In…
Q: Regarding mammals, amphibians, and reptiles, explain thoroughly in what way does the inert yolk's…
A: Evolutionary developmental biology is considered a new norm in evolutionary biology. It arose from…
Q: What is the advantage of internal fertilization over external fertilization and vice versa?
A: Question - What is the advantage of internal fertilization over external fertilization and vice…
Q: How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to…
A: The process of formation of gametes is known as gametogenesis. In females, oogenesis is a process of…
Q: How does amount of yolk affect cleavage? Compare cleavage in a sea star with that in a bird
A: Fertilization is the process of fusion between haploid male and female gametes to form diploid…
Q: Prior to fertilization, where is the male gamete located?
A: Flowers are also known as blossom. Their primary function is reproduction in plants. They also a…
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 are the steps of fertilization
A: Fertilization is a process in which there is a fusion or union of the male gamete (sperm) and female…
Q: What happens in the process of fertilization in animals and humans?
A: The cells of the biological unit of life. the cells comprise tissues which collectively forms an…
Q: How does oogenesis differ from spermatogenesis?
A: The cell is the basic and smallest unit of organisms. A group of cells functions together that form…
Q: How do the processes of capacitation and acrosome reaction affect the fertilization process? How do…
A: Introduction Fertilization refers to the process when there is a fusion of male and female gametes…
Q: What is the time period for which sperm and egg are viable?
A: The mixed glands that serve the function of gamete production in the male reproductive system and…
Q: Are different stages of development tend to generate differences in stimulating cleavage and…
A: Cleavage -- Term cleavage is defined as a series of rapid mitotic division of zygote after…
Q: How amount and distribution of yolk influence gastrulation
A: Gastrulation is a phase early in the embryonic development. During gastrulation, a single-layered…
Q: Where does fertilization usually occur?
A: Sexual reproduction is a type of reproduction, which involves a complex life cycle in which a…
Q: what are the principal structures each germ layer gives rise to in the adult?
A: The zygote is a cell formed by the union sex cell of the male (sperm) and sex cell of the female…
Q: What occurs in the female after fertilization of the egg? What happens if the egg is not fertilized?
A: The menstrual cycle refers to the monthly series of changes that a woman's body undergoes in order…
How do the amount and distribution of yolk influence gastrulation?
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- How do the amount and distribution of cytoplasm in the fertilized egg influence early development?What events occur during gastrulation? What are the locations of the three germ layers?Which embryonic germ layer lines the inner surface of the archenteron? Which embryonic germ layer lines the outer surface of the embryo?
- How do the processes of capacitation and acrosome reaction affect the fertilization process? How do the processes of capacitation and acrosome reaction affect the fertilization process?How does the entry of the sperm into the egg influence cleavage?what are the principal structures each germ layer gives rise to in the adult?