After fertilization a developing embryos goes through several changes. At about 2-3 days, what is the embryo referred to as?

Q: If an embryo splits at the two-cell stage, each of the resulting identical twins will have its own…

A: Identical twins:  The splitting up of the embryos into two at the two-cell stage leads to the…

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: Describe the processes of fertilization, embryonic development, fetal development, and birth.

A: Answer- Every organism reproduces for their continuity of species. In sexual mode of reprodution the…

Q: ___________________ fluid protects the embryo from jarred movements and provides a watery…

A: The embryo inside the womb of the mother grows in a sac like bag called the amniotic sac.  It allows…

Q: Prevents implantation of an embryo.

A: IntraUterine Devices prevents implantation of an embryo. It hinders implantation.

Q: Describe the major events that transform a fertilized egg into an embryo?

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: Which of the following rows identifies the site of fertilization, and the hormone released when the…

A: The fusion of male and female gametes is known as fertilization.

Q: Stages in Development   First trimester Second trimester Third trimester Match the developmental…

A: The growth of the baby inside the womb of the mother takes place in three trimester.First trimester…

Q: What is the source of different cytoplasmic determinants present in the embryo after fertilization?…

A: Some post-embryonic cells also include cytoplasmic determinants, which cause cytoplasmic asymmetries…

Q: There are 6 major events in fertilization. Discuss the process of fertilization or conception, with…

A: Fertilization is a process in which male pro nuclei and female pro nuclei come together(fuses that…

Q: There are 5 primary oocytes that will undergo cell division, How many polar bodies will be formed…

A: Polar body are small cell produced from the primary oocytes during meiosis. Theses polar body do not…

Q: What is embryos

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

Q: There are 5 primary oocytes that will undergo cell division, How many functional egg cells will be…

A: The journey in short of an oocyte is as follows- the egg follicle is activated, the egg grows and…

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: 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: Why should the sperm shrink into an elongated cell with a tail while the egg grows enormously?

A: Introduction :- Most animals generate sperm, also known as spermatozoon or spermatozoa, a male…

Q: Why does only one sperm fertilize the egg, and why is this important?

A: Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and…

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: Describe the major events in embryonic development

A: Introduction: Embryonic development is an 8-week process and has phases of development during which…

Q: Contrast embryonic development with fetal development.

A: Embryology is the branch of biological sciences that studies the formation and development of…

Q: Describe what happens during the first days of embryonic development from the first cell division…

A: Human embryo development occurs through cell division and the differentiation of cells. Human embryo…

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: During the organogenesis stage, several of the five essential developmental processes take place.…

A: I have discussed a primary step of organogenesis which is crucial for further development in next…

Q: How is an egg (oocyte) prepared during oogenesis for fertilization? Why is preparation essential to…

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…

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: 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: If the egg is NOT fertilized, the lining of the uterus will shed.  This is called?

A: In the event that the egg is fertilised by a sperm cell as it goes down the fallopian tube,…

Q: Poor embryonic development occurs because ____________________________.

A: After fertilization, a single celled diploid zygote is formed, which later develops into…

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: 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: Implantation of a blastocyst does not always happen.  Approximately how many days after…

A: Fertilization of the secondary oocyte in the oviduct forms zygote which in turn divides by cleavage.…

Q: What is this condition that results if the fertilized egg fails to descend down to the uterus?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

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: Describe all the steps involved in the formation of an embryo from the reproductive cells of men and…

A: Answer: The reproductive cell in males are : SPERMS  The reproductive cell in females are : EGG

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: Which of the following statements is FALSE? The primary spermatocytes undergo mitosis. Secondary…

A: The life process of the formation of a new organism from existing organisms is called reproduction.…

Q: How long after ovulation does it take an embryo to develop? The resulting embryo may become the…

A: Fertilization is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Human…

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: 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: Why do flexion and torsion events occur in the developing embryo?

A: LONGITUDINAL FOLDING (Torsion) produces both head- and tailfolds, or flexion, and creates a cranial…

Q: explain the developmental processes that will happen to the fertilized ovum of a dog or any animal

A: The individual entity that embodies the attributes of life is known as an organism. There are two…

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: 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…