How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to development?

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: Which is a triploid tissue? How is the condition achieved in a fertilized ovule?

A: Anther produces pollen grains which lands on the stigma of the pistil with the help of biotic and…

Q: What are the major features of embryonic development at various months of pregnancy?

A: Within twenty hours after the fertilization, the zygote starts to divide rapidly into many cells.…

Q: What parts are persistent throughout the development of the embryo? Why are these present in all the…

A: Answer

Q: What are the two types of embryonic folding?

A: In embryonic folding, the flat trilaminar disk turns into a lot of round shape embryos due to the…

Q: Compare oogenesis to spermatogenesis. How are the two processes similar? How do they differ?

A: Spermatogenesis is the reproductive stage where haploid cells are formed from a diploid stem cell…

Q: What is the advantage of external fertilization over internal fertilization

A: Advantages of external fertilization over internal fertilization -  1. The number of offspring…

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: What is yolk? What is its role in fertilization and development?

A: The development of organisms depends on the supply of resources. In embryo development nutrition of…

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: 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: What is organogenesis, and why is this concept important to the process of development?

A: Question - What is organogenesis , and why is this concept important to the process of development ?…

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: What fertilized egg; enters 2 week period of rapid cell division?

A: Male and female gametes are called sperm and egg cells, respectively. For reproduction to occur, a…

Q: What structural features of the endometrium and myometrium contribute to their functions?

A: Uterus is one of the important organ of the female body. It serves many important functions in the…

Q: What Causes the End of Cleavage in a Frog Embryo?

A: All frogs reproduce sexually, but instead of the fertilization taking place inside the female, it…

Q: How do the amount and distribution of yolk influence gastrulation?

A: Gastrulation is a process in which the single layer of cells called blastula is arranged into a…

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 is the differences between Mammals and Frogs in Spermatogenesis?

A: Gametogenesis is the process of manufacturing gametes or daughter cells in gamete-producing mother…

Q: What determines whether an embryo will develop into a male or a female?

A: The process of fertilization is the union of male and female gametes. It results in the formation of…

Q: what does a oogenesis concept map with 10 words or phrases look like?

A: oogenesis concept map :-

Q: Does the distribution of Ca²+ in an egg correlate with formation of the fertilization envelope?

A: During fertilization, sperm-induced rise in cytoplasmic Ca2+concentration.

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: If Ca2+ from the egg’s endoplasmic reticulum is responsible for the cortical granule reaction and…

A: Reproduction is the process of production of own kinds.

Q: Describe the processes of fertilization and implantation

A: Fertilization: The process of fertilization involves the fusion of the nuclei of the male sperm with…

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: What are the distinguishable parts of the 72-hour chick embryo? Give at least 5 parts and the adult…

A: Probably the best magical occurrence of nature is the change of the egg into the chick. A chick…

Q: How is the child affected if it has grown from the zygote formed by an XX-egg fertilized by…

A: Zygote is also known as a fertilized egg because it is formed by the process of fertilization in…

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 is the significancw of cleavage in early development? Discuss.

A: The repeated mitotic divisons of the fertilized egg (zygote) is called cleavage. It is preceeded by…

Q: What means to retain the ability to become any cell type—including germ-line cells and gametes—when…

A: Stem cells are the cells that are capable to convert to different cell types. These are present in…

Q: Which of the following is not true about neurulation? Choose all possible answers. a. Segregation…

A: The brain is a complex organ that controls the thought, memory, emotion, touch, motor skills,…

Q: In the 33 hr. chick embryo stage what structure/s would serve as a guide to approximately…

A: Auditory vesicles are distinct. Three pairs of arterial arches arise from the ventral aorta. Somites…

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: 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: 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 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: Why does corpus luteum stay active throughout pregnancy and in the absence of fertilization, is…

A: Introduction We will answer the question in below step.

Q: How are the events that take place in spermatogenesis and oogenesis similar? How are they different?

A: Spermatogenesis and oogenesis are the cycles of arrangement of male and female gametes.…

Q: How many follicle cells will fit inside? Is there an abundance of yolk within the cytoplasm of the…

A: Oocyte It is an immature ovum or egg cell which is a female gametocyte or germ cell. It is involved…

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 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 tissues and organs arise from the three germ layers in embryonic development?

A: In developmental biology, various stages are involved for the development of a foetus. Gastrulation…

Q: what kind of division can perform normal growth and development for the embryo & why

A: The embryonic development process initiates after the fusion of male and female gametes. It involves…

Q: What are two important differences between the processes of spermatogenesis and oogenesis in…

A: The process of formation of gametes is called as gametogenesis. In the diploid organism, the gametes…