where and when is the Drosophila homolog of beta catenin expressed in the developing embryo? Please...
where and when is the Drosophila homolog of beta catenin expressed in the developing embryo? Please provide evidence if possible.
Homework Answers
When : induce endotherm; establish segment polarity
Where : in the cytoplasm of the cells.
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where and when is the Drosophila homolog of beta catenin
expressed in the developing embryo? Please...
The engrailed gene of Drosophila is expressed in 14 stripes in the embryo. This corresponds to...
The engrailed gene of Drosophila is expressed in 14 stripes in the embryo. This corresponds to a line of cells in each segment. If one makes a fly where all of the engrailed enhancers drive the expression of GFP (green fluorescent protein) you predict: A. The embryo will have evenly green fluorescence over its entirety. B. The embryo will have 7 stripes of green fluorescence. C. The embryo will have 14 stripes of green fluorescence. D. There will be no...
Explain how segments are established in the Drosophila embryo please be detailed and use exact names...
Explain how segments are established in the Drosophila embryo please be detailed and use exact names for components involved
State two methods to visualize where a gene is expressed in an embryo and describe how...
State two methods to visualize where a gene is expressed in an embryo and describe how they work with drawing. This method uses a whole embryo (or sections) as a specimen. Do not use any reporter genes. Subject: Developmental Biology
Please help with questions 3,4&5 3) The protein beta-catenin is a component of several different types...
Please help with questions 3,4&5
3) The protein beta-catenin is a component of several different types of cellular events that we have studied thus far this semester. Give two examples of different roles that beta catenin can play in the regulation of cellular events during development 4) You are studying the development of two novel organisms that you have discovered. After fertilization you allow the embryo develop to the four cell stage. At that point you separate the four cells...
Questions 19 and 20 please! 19. The rosy (ry) gene of Drosophila encodes an enzyme called...
Questions 19 and 20 please!
19. The rosy (ry) gene of Drosophila encodes an enzyme called xanthine dehydrogenase. Flies homozygous for ry mutations exhibit a rosy eye color. Heterozygous females were made that had ryA1 Sb on one homolog and Ly ry 564 on the other homolog, where ryt1 and ry 564 are two independently isolated mutant alleles of ry. Ly (Lyra (narrow] wings) and Sb (Stubble [short] bristles) are dominant markers to the left and right of ry, respectively....
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and...
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and lung tissue. Your preliminary work has shown that heart and lung expression of this gene is controlled by a short fragment of DNA just upstream of the promoter. Based on this result, you decide to investigate this region further to understand its function. Part A You decide to compare this sequence to the regulatory DNA of the same gene found in rats and humans....
Where should policy writers look to find supporting material when developing the policies for their organization?
Where should policy writers look to find supporting material when developing the policies for their organization?
can you please help me with number 4? An example of linked genes in Drosophila The...
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
Problem 6 When you are developing a model, where should you spend most of your time?...
Problem 6 When you are developing a model, where should you spend most of your time? a) Developing regression and decision tree models b) Interpreting the result c) Data preparation d) Beautifying the model flow
Suppose we fitted the following model: logit(P( Y = 1 )) = alpha +betaX, where X is age in years and Y is a binary variable with 1 = dead and 0 = alive. Which of the following is FALSE? i.) exp(beta)...
Suppose we fitted the following model: logit(P( Y = 1 )) = alpha +betaX, where X is age in years and Y is a binary variable with 1 = dead and 0 = alive. Which of the following is FALSE? i.) exp(beta) is the odds ratio of death for a one year increase in age. ii.) exp( alpha+ beta * 20) / (1 + exp( alpha+ beta * 20)) is the probability of death when age is 20. iii.) beta...
Please help with questions 3,4&5
3) The protein beta-catenin is a component of several different types of cellular events that we have studied thus far this semester. Give two examples of different roles that beta catenin can play in the regulation of cellular events during development 4) You are studying the development of two novel organisms that you have discovered. After fertilization you allow the embryo develop to the four cell stage. At that point you separate the four cells...
Questions 19 and 20 please!
19. The rosy (ry) gene of Drosophila encodes an enzyme called xanthine dehydrogenase. Flies homozygous for ry mutations exhibit a rosy eye color. Heterozygous females were made that had ryA1 Sb on one homolog and Ly ry 564 on the other homolog, where ryt1 and ry 564 are two independently isolated mutant alleles of ry. Ly (Lyra (narrow] wings) and Sb (Stubble [short] bristles) are dominant markers to the left and right of ry, respectively....
You are studying the regulatory DNA of a mouse gene expressed in developing heart, liver, and lung tissue. Your preliminary work has shown that heart and lung expression of this gene is controlled by a short fragment of DNA just upstream of the promoter. Based on this result, you decide to investigate this region further to understand its function. Part A You decide to compare this sequence to the regulatory DNA of the same gene found in rats and humans....
can you please help me with number 4?
An example of linked genes in Drosophila The genes for wing shape and body color are linked (they are on the same chromosome) Drosophila and linked genes In the example shown left, wild type alleles are dominant and are given an upper case symbol of the mutant phenotype (Cu or Eb). This notation used for Drosophila departs from the convention of using the dominant gene to provide the symbol. This is necessary...
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