What generates the first differences among cells in an early embryo? And what controls the differentiation of all the various cell types as development proceeds?

Q: List the four primary tissue types of the adult body and identify which of the three primary germ…

A: A tissue is defined as a group of cells which are having a similar structure and are organized to…

Q: Which process involves the shaping of the embryo and cell migration?

A: Developmental biology is the branch of science that includes the studies of a diversity of…

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: At which stage of development does XCI initially occur?

A: In many species, genes located on the sex chromosome determined the sex of an individual. In…

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 are the stages of egg cell development in humans?

A: Oogenesis is the growth process of a primary egg cell into a mature ovum in the human female.  There…

Q: With regard to development, what are the roles of the maternaleffect genes versus the zygotic genes?…

A: Maternal-effect is a phenomenon in which the phenotype of the offspring is defined by the genotype…

Q: What are Embryonic stem cells are used for?

A: ESCs (Embryonic Stem cells) or Human embryonic stem cells are used pluripotent cells which have the…

Q: hat parts are persistent throughout the development of the sea urchin embryo? Why are these present…

A: A multicellular animal arises from a single cell a fertilized egg. During development ,the cell…

Q: Carefully distinguish between the terms differentiation and determination. Which phenomenon occurs…

A: Cells are the basic, structural, and functional units of every single living being. Every cell…

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: 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: 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 are extraembryonicmembranes?

A: The embryology is the study of the formation and development of embryonic structures right from the…

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: Describe the major events in embryonic development

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

Q: How is cell communication involved with processes of development?

A: Introduction Cell communication is the process by which cells interact with one another. Cells…

Q: What is the cell divisionduring the first stage of theembryonic developmentcalled? How is this…

A: The process by which a parent cell divides into two identical daughter cells, is called Cell…

Q: What is meant by the term “activation” in embryology?

A: Embryology is a branch of biology. It is the study of formation, growth as well as the development…

Q: What genetic factors control the process of development in humans?

A: Factors responsible for the development of human growth are:- Heredity :- Transferring of character…

Q: How does a fertilized egg give rise to an organism with highly differentiated cells that are…

A: Developmental biology is the branch of science that includes the studies of a diversity of…

Q: How is cell death a normal part of development?

A: Answer: Introduction: Cell death is necessary for the normal development of eukaryotic organisms and…

Q: What are the cells surrounding the oocyte? Are they germ-line or somatic in origin?

A: Gametogenesis is the process of production of gametes (sperm and eggs) via meiosis which is a type…

Q: Describe the process of embryonic induction, and provide anexample

A: Induction in biology means inducing a process or causing a process to occur.

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: How does differentiation differ from morphogenesis?

A: Developmental biology is the branch of biology in which the development of the organisms from the…

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: After fertilization a developing embryos goes through several changes. At about 2-3 days, what is…

A: During fertilization the haploid gametes, that is, sperm from a male and secondary oocyte from…

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: Name and define the three basic stages of prenatal development?

A: Human reproduction is defined as the process by which sperm fuses with the ovum to generate the…

Q: How are genes turned on and off in embryological development?

A: One way cells regulate their genes is by DNA methylation, in which a molecule known as a methyl…

Q: What term is most closely associated with the term "differentiation"?

A: Question -: What term is most closely associated with the term "differentiation " ? A). new growth…

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 are transcription factors, and how do they influence development?

A: Gene expression includes transcription and translation.

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: How did we learn about the levels of gene regulation involved in vulval development in C. elegans?

A: The development of the vulva of C. elegans occurs during postembryonic development which occurs from…

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: 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: How can matter alone construct itself into the organized tissues of the embryo?

A: The embryo is the development stage in multicellular organisms. The development of the embryo begins…

Q: What specific cell(s) will meiotic daughter cells mature into?

A: Cell division is the process by which a parent cell divides into two or more daughter cells. Cell…

Q: Describe the role of master regulators in embryonic development

A: Embryonic development is the early stage in development when cells undergo division and the…

Q: How do cells communicate, interact, and understand their place in the embryo?

A: Cells: In the human body, cells play a major role which provides the structure, intake the nutrients…