If identical human twins develop from separate placentas, when must the embryo have separated? When must separation have occurred if the twins share a common placenta but develop within separate amnions?

Q: Name the process of development of egg into young one without fertilization?

A: The above-mentioned definition is true for parthenogenesis. It is a type of asexual reproduction…

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: Are all of the cell nuclei in the embryo sac haploid or is just the egg haploid?

A: The group of organisms with eukaryotic cells having cell walls and autotrophic nutrition are called…

Q: Is the mammalianembryonic development director indirect?

A: The process of embryonic development is otherwise known as embryogenesis. Fertilization is the…

Q: How do the amount and distribution of cytoplasm in the fertilized egg influence early development?

A: The male reproductive system is responsible for producing and depositing sperm, while the female…

Q: the time that the embryos are transferred into the uterus, have the cells started to become…

A: Embryo is  formed from the division of zygote and zygote develops after fertilization of sperm from…

Q: Explain the Human embryo at beginning of fifth week ?

A: The time between conception and birth of a baby is called the gestation period. A normal gestation…

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: 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 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: Is there a exchange of cells between the mother and the fetus through the placenta?

A: We have to explain whether there is an exchange of cells taking place through placenta.

Q: How does the blastodisc of the fertilized egg differ from an unfertilized one?

A: The blastodisc is a small disc like structure found on the surface of an egg yolk. The blastodisc is…

Q: Why are blastomeres in the pigmented part of the egg smaller and more numerous than in the…

A: The other terms associated with developmental biology include embryogenesis or embryology. This…

Q: What is developmental mechanism?

A: In biology, a mechanism is a system of causally interrelated elements and processes that result in…

Q: what characteristics are shared among bird embryos, pig embryos, and human embryos?

A: There are several similarities between the embryos of different species of animals and birds. It was…

Q: Where is the egg located in the archegonium?

A: In Bryophytes plants, the female and male sex organs are termed archegonia and antheridia…

Q: Where does the fertilization of a human egg normally take place?

A: Fertilization is the process of combining haploid gametes (egg and sperm) to produce a diploid…

Q: Explain how is the age of the embryo and it's delivery date determined?

A: An embryo is the early stage of development of a multicellular living being. In common, in life…

Q: hat's an embryo?

A: In the sexual reproduction, animals bears two types of gametes. One is the female gamete known as…

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: what is the process which involves in the self-destruction of cells in the developing embryo as…

A: Ans: The process which involves the self destruction of cells in the developing embryo is very…

Q: Is an embryo a life?

A: Reproduction is a process through which an organism produces organisms of similar kinds. It is of…

Q: What is developmental homology?

A: Meaning of  developmental homology   Anatomical similarity due to derivation from a common…

Q: Will the fertilized egg grow by mitosis or meiosis?

A: Mitosis and meiosis are the two distinct processes of cell division. When individuals talk about…

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: What is the difference between embryotic and fetal stage?

A: The condition involving the development of a fetus from a single cell into an embryo and later to a…

Q: What event marks the beginning of development?

A: We can say that Life is starting from a single cell called Zygote. A zygote is a single diploid cell…

Q: How many egg nuclei will be obtained from 200 megaspore mother cells?

A: Introduction A megaspore mother cell, also known as a megasporocyte, is a diploid cell in plants…

Q: Explain how the cylindrical body shape of the human embryo isderived from the flat embryonic disc.

A: The embryo is formed as a result of the fusion of sperm and ovum. The embryo formed is diploid in…

Q: It appeared, then, that something in the region of the gray crescent was essential for proper…

A: The amphibian eggs, when divided into two blastomeres along the plane of first division, the cells…