Q: What are the functions of the trophoblast?
A: The embryo can be defined as the early stage of development of a multicellular organism. In general,…
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: How are mammalian extraembryonic membranes formed?
A: The layers encircling the embryo inside the uterus are known as extraembryonic membranes. The…
Q: Describe the process of oogenesis
A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…
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: Identify the organ systems that are formed from each of the primary germ layers.
A: Endocrine System is the organ system that is formed from each of the primary germ layers.
Q: Define about Spermatogenesis and oogenesis in mammals. ?
A: As we know all living organisms are made of basic unit of structure and function called as cell.…
Q: What is the differencebetween amnion and chorion?
A: Both amnion and chorion are present during a woman’s pregnancy and are part of the extra embryonic…
Q: Explain the Fertilization and Early Stagesof Development ?
A: The reproductive system(male and female) is a complex system with a number of interconnected…
Q: State the functions of the placenta, amnion, chorion, yolk sac, and allantois?
A: The placenta is developed during pregnancy in the uterus. It provides oxygen and nutrients to the…
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: 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: Where are egg cells produced in a woman’s reproductive system? ____ Where does fertilization…
A: The biological system of an organism's reproductive system, also known as the genital system, is…
Q: Describe the various stages from oogonium to mature ovum?
A: Sexual reproduction includes the production of male and female gametes and their fertilization.
Q: Describe the fertilization process and how an egg prevents fertilization by more than one sperm?
A: The reproductive system of the body is one of the important systems of the human body which ensures…
Q: Define Precocious puberty?
A: Human life is divided into various stages. The various stages includes child, teenager, adult, old…
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: Define segmentation, and give two examples of segmented structures in the embryo.
A: The science that investigates the processes by which multicellular organisms like plants and animals…
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 are the functions of amniotic fluid?
A: The newborn fetus comes with an umbilical cord. This cord ends up with two umbilical arteries and…
Q: Distinguish between modes of mesoderm formation
A:
Q: What are extraembryonicmembranes?
A: The embryology is the study of the formation and development of embryonic structures right from the…
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: Which structure connects the embryo to the placenta?
A: Umbilical cord
Q: Explain the major developmental events that occur during the embryonic period.
A: Introduction:Embryonic development is an 8-week process and has phases of development during which…
Q: Identify the structures of an egg and a sperm that aredirectly involved in fertilization.
A: Fertilization is that the method by that the male and also the female gametes (sperms and therefore…
Q: Define chordamesoderm
A: Chordamesoderm is also known as axial mesoderm.
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: Identify and describe the stages of human embryonic development
A: Stages of embryonic developement: Germinal stage ~ Fertilization, cleavage, blastulation,…
Q: Explain the Embryonic Germ Layers ?
A: The layers of cells produced during the early phase of embryo development which gives rise to 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: What is oogenesis? Give a brief account of oogenesis.
A: The female reproductive organs comprise primary sex organs (ovaries) as well as accessory sex…
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: Which layer is responsible for encasing the growing embryo?
A: An embryo is an early stage of development that is present in a multicellular organism. Embryonic…
Q: Among the germ layers and developmental structures below: What is/are the FORMED ANATOMICAL…
A: Introduction Embryonic development is also called embryogenesis. It is the process where development…
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: Where does fertilization usually take place?
A: The reproductive system consists of two system namely male reproductive system and female…
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: What happens during embryogenesis?
A: After the process of fertilization, the process of zygote development starts to form an embryo and…
Q: Explain how the different germ layers give rise to different tissue types.
A: The three different germ layers are formed by the process of gastrulation in early embryo. It is the…
Q: In traditional accounts of fertilization, which characteristics are associated with eggs, and which…
A: The female reproductive cell, or gamete, in most anisogamous species is the egg cell, or ovum…
Q: Explain how the embryo forms from the zygote
A:
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: 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: differentiate spermatozoon vs. ovum
A: Spermatozoon is a male gamete, which is produced in the testes of males. It is motile in nature. It…
Q: Describe each stage of the development from Fertilized egg to blastocyst stage
A: Fertilization is a crucial step in the process of sexual reproduction. The zygote is formed when the…
Q: Define fertilization.
A: Embryonic development is also known as embryogenesis. This process includes the formation and…
Define ectoderm and andoderm?
Except the sponges, the growing embryo in all animals develops different layers of cells called as germ layers. An area in the blastula folds inward during gastrulation.
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