The following are various developmental phenomena relating to the concepts and principles in developmental biology. A. Concept of apoptosis B. Concept of prefomed guidelines C. Concept of programmed gene action D. Concept of capacity E. Concept of fate F. Concept of environmental influences G. Concept of induction H. Concept of progressively formed guidelines I. Concept of Differentiation J. Concept of guidelines K. Concept of Gradient L. Concept of differentiation Question #1. A secondary embryo is formed when a second dorsal lip of blastophore is grafted into an embryo. What concept? Question #2. Retinoic acid, whenused by pregnant women causes developmental abnormalities. What concept? Question #3. The DNA of every nucleus in the cells of an organism are identical. What concept?

Q: Which of the following defines fate?   A. process of which a potency of a cell becomes identical.…

A: Fate is the ultimate outcome of the cellular reprogramming i.e the pre-decided structure and…

Q: Which of the following is not an important component of the slow block to polyspermy Group of…

A: By reweaving the question, we have to find out which of the following is not an important component…

Q: Invagination of the sea urchin blastulaA. is preceded by changes in the shape of individual…

A: Invagination is a process occurring during gastrulation. It includes movement of cells at the…

Q: Group of answer choices a. control of formation of the dorsal/ventral axis in the chick b. control…

A: The zone of polarising activity ZPA is a specialised area of mesenchyme in chick embryo.

Q: Which of the following is an important model organism for studying development? a. E.coli O b. D.…

A: Model organisms:         When the process of development is studied in detail the model organisms…

Q: Determining the spatial and temporal expression pattern of a large set of genes during embryonic…

A: Embryology can be defined as a branch of biology which basically deals with the study of the embryos…

Q: It is estimated that in about 1/150,000 births, an individual is born with 46 chromosomes, both an X…

A: Introduction: Any form of change that occurs in the DNA sequence is referred to as a mutation. A…

Q: Prevention of implantation of pre-embryonic cell to bind to endometrium is one of the mechanism to…

A: Implantation is the process by which a fertilised egg, also known as a zygote or pre-embryo,…

Q: Which of the following rows correctly identifies the development of the germ layers? Select one:…

A: The germ layers are an embryonic collection of cells that aid in the creation and development of…

Q: Which of the following events are required for a one-cell zygote to develop into an entire organism?…

A: The process where gametes from mother and father i.e., egg cell and sperm fuse together and forms a…

Q: In genetic maternal effect, the phenotype of the individual is determined by which of these…

A: Genes located on nuclear chromosome obey mendelian inheritance and are segregated in typical…

Q: "morphogen"

A: Morphogen is a protein which is a signalling molecule that helps in formation of organs…

Q: Which of the following statements about iPS cells is correct? O A. They are derived from embryonic…

A: Pluripotent stem cells keep promise withinside the discipline of regenerative medicine. Because they…

Q: Define what Morphogenesis is. And then provide an example that shows how morphogenesis is relevant…

A: Developmental biology refers to the branch of science that deals with the study of the growth and…

Q: Which of the following correctly identifies the different phases of human development? Select one:…

A: Human development  It is the process of development of the human body , which begins with the…

Q: Hormones are often used to control the development and metabolism of agriculturally important…

A: Hormones are a kind of chemical composition that regulates the growth and other metabolic processes…

Q: In an experiment described in lecture, a portion of tissue containing ZPA was transported to the…

A: Option A

Q: why the negative control sample (from an unaffected individual) only produced one band.   b.…

A: Huntington's Disease It is a rarer disorder where the brain cells or the neurons starts degenerating…

Q: Which of the following statements describing the mid-blastula transition is CORRECT? a. Cells…

A: Midblastula or midblastula transition (MBT) occurs during the blastula stage of embryonic…