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- 33. In words and/or a diagram, describe the molecular components of the developmental timing mechanism responsible for the formation of somites of the proper size and placement within the chick embryo. Make sure to include in your answer how the molecular components are coordinated by growth of the embryo to control somite formation: ? How How could this developmental timing mechanism be manipulated to produce longer somites could this developmental timing mechanism be manipulated to increase the rate of somite production ( ,?The following choices 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. During the cleavage stage, the masked messenger RNA from the developing oocyte controls the cleavage patterns. During the blastula stage, specific genes are activated; hence there is appearance of new proteins. What concept? Question #2. Catfish collected in the polluted waters of Pampanga River were found to have ruptured and vascularized brain. What concept?Progeny produced by parents to some extent look like their parents along with several differences. Huge diversity exists in any germplasm of living organism. What would you suggest the story behind this phenomenon. Moreover also give your opinion regarding different traits with no expression in their parents but managed to appear in progeny and in few cases get silent again in grand progeny.
- The normal sequence of developmental stages is... Group of answer choices blastocyst--> morula--> zygote--> embryo--> fetus. morula--> fetus--> embryo--> blastocyst--> zygote. morula--> zygote--> fetus--> blastocyst--> embryo zygote--> morula--> blastocyst--> embryo--> fetus blastocyst--> zygote--> embryo--> morula--> fetus.Differential Hox gene expression along the anterior-posterior axis in the trunk sets up a prepattern of tissue identities that includes the limb field location, but what mechanisms are then triggered to initiate limb bud formation?The following choices 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. The dorsal lip of blastophore influences the formation of the neural tube and the flanking mesoderm. What concept? Question #2. The outermost part of the cup-shaped embryo is destined to form the nervous system and the skin. What concept?
- 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. Sculpturing of the fingers. What concept? Question #2. The exact location of your thumb and pinky. What concept?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?The following choices 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 #1. Retinoic acid, when used by pregnant women causes developmental abnormalities. What concept?
- What is a Sex limited traits and Sex influence traits what are their differences?1. Numerically cite one difference and one similarity of Sex-linked and Sex-influenced. 2. A zoologist is studying a deer and found out that a gene is located on autosome two. This gene controls antler production in the male deer. Take note that female deer do not produce antlers. Which mode of inheritance is shown by these animals? Explain your answer in not more than 20 words.