Q: Is the embryonicdevelopment in birds direct orindirect?
A: Animal developmental process can be direct or indirect. Direct development: It refers to the…
Q: At which embryonic event would one be able to first distinguish a diploblastic embryo from a…
A: Answer: In reproduction process after the fertilization of female egg cell with sperm male cell…
Q: Explain Bicoid is the anterior morphogen?
A: Introduction Bicoid: it is a protein product of maternal effect gene commonly found in flies such…
Q: What is redeployment in developmental biology?
A: Evolution describes the gradual transformation of organisms from their rudimentary beginnings to…
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 a vestigial structure? What are some examples of vestigialstructures in humans and other…
A: Vestigiality is the retention during the process of evolution of genetically determined structures…
Q: How do monocilia function in development?
A: Renal epithelial can be defined as the single layer of cells that will lining the nephron. Renal…
Q: Describe preimplantation embryo diagnosis
A: Preimplantation means before implantation. Implantation is the attachment of the blastocyst or…
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: Differentiate between indirect and direct development.
A: Step 1 Development is a series of changes that occur during the formation of a mature individual…
Q: Explain the Tissue Stages of Development under Early Stages of Animal Development ?
A: The embryo in an animal develops, the cells start to divide, grow, and transfer in specific patterns…
Q: State the neuromere origin of each brain region?
A: Introduction Neuromeres Are Known As The Segments Of The Neural Tube That Forms The Embryonic Brain…
Q: Distinguish between direct and indirect development and give examples of each.
A: Step 1 Development is a series of changes that occur during the formation of a mature individual…
Q: Explain C. elegans embryos.
A: Answer: Introduction: The nematode worm Caenorhabditis elegans is a minor and organized organism.
Q: How is mitochondrial DNA transmitted to children?
A: What is mitochondrial DNA ? Mitochondrial DNA is the small circular chromosome found inside the…
Q: What are embryonic stem (ES) cells ?
A: Stem cells are cells that are undifferentiated or "blank." This ensures they have the potential to…
Q: Explain how egg rotation and gravity determine anterior posterior patterning in chick embryos
A: Anterior posterior pattern formation is the regionalization process in which specific areas of cell…
Q: describe direct and indirect development and name some animal groups that have each type of…
A: Difference between the direct ns indirect development is listed below.
Q: What role does induction play in development?
A: Induction is the developmental process by which specific tissue types affect the development of…
Q: What is meant by segmentation?
A: R.H. Whitakaer’s classification system categorizes living organisms in five major kingdoms. Kingdom…
Q: What is meant by “induction” in embryology? Describe the famous organizer experiment of Spemann and…
A: Embryonic development refers to the development and formation of the embryo. It is characterized by…
Q: What parts are persistent throughout the development of the embryo? Why are these present in all the…
A: The fitness of the organism depends on the early stages of embryonic development, which include…
Q: Explain how Hox gene expression affects vertebrate development.
A: Hox genes are a set of transcription factor genes that are responsible for the development of…
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: C. Explain the functions of the four layers found inside an amniotic egg.
A: Amniotic eggs are eggs that produce by mammals, birds, reptiles etc. The embryo development take…
Q: What is the initial segment?
A: Neurons are highly polarised cells that serve as the foundation for directed information flow within…
Q: What is developmental biology?
A: Introduction Biology is the study of life as a science. It is a broad-ranging natural science with…
Q: Contrast determination and differentiation in development
A: The main difference between cell determination and cell differentiation is that the cell…
Q: How does von baer's law of development relates with the development of the frog embryo? evidences?
A: Von Baer's laws of development These are rules proposed by Karl Von Baer. The laws demonstrates the…
Q: Explain the developmental and functional similarities and differences between: Avian amnion and…
A: The membrane , that closely covers the human and various other embryos when first formed, it is…
Q: Zygotic Genes Determine Segment Number and Polarity?
A: Genes are the set of nucleotides present in a chromosome that encodes for particular information…
Q: distinguish between hemimetablous and holometabolus development
A: Introduction: Metamorphosis is a biological process of the development of an animal. It involves…
Q: In a developing chicken embryom, what is the fate of the postanal gut?
A: A postrectal extension of the embryonic hindgut to the cloacal membrane where the anal opening forms…
Q: What are the characteristics of the cleavage embryo?
A: Answer : Cleavage is the mitotic division in which the daughter cells are formed from the parent…
Q: Explain differentiation, specialization, and morphogenesis?
A: Differentiation: Notwithstanding the course of morphogenesis, separation is a term regularly…
Q: Explain Segment polarity genes?
A: The embryo is known to contain a definite pattern and the gene responsible is known as a…
Q: What other developmental hallmarks are often associated with spiral or radial cleavage?
A: Based on the directions and angles the cleavage furrow cuts, cleavage is of four types, namely,…
Q: How does a constant genome produce various cell types during embryogenesis?
A: Embryogenesis: Embryogenesis is the process of a zygote developing into a foetus. Embryonic…
Q: What is indirect development?
A: Development involves the functional and physiological maturation of an individual. It is a…
Q: Identify Genes Required for Specific Developmental Processes
A: The gene can be defined as a basic physical and functional unit of heredity. The genes are made up…
Q: Could it be that lineage-restricted multipotent stem cells are derived from acNeoblast and seeded…
A: In cell biology, functionally and structurally limited cells to behave in a differentiated manner…
Q: What is the function of structures Y and Z?
A: Introduction The reproductive component of a plant is called a flower. The bloom is divided into two…
Q: Where are Lomasomes found?
A: Cells are the basic unit of life. They are often known as "building blocks of the body" and exhibit…
Explain Segment identity is preserved throughout development?
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- Explain the Human embryo at beginning of fifth week ?Explain constructively how is the formation of the primitive streak during gastrulation relevant to the primitive streak during axis formation?Explain how the formation of the primitive streak during gastrulation relevant to the primitive streak during axis formation?