Homework Answers
ANSWER :
Igf2 gene is located on the short arm of chromosome 11 that makes protein called insulin like growth factor 2. This protein involves in development and growth of different tissues (specially nervous tissue) prior birth or fetal development. Igf2 gene also responsible for expression of parent specific differences in gene activation via methylation of DNA and histones proteins (genomic imprinting).
Imprinting The figure depicts the maternal imprinting of the mouse Igf2 gene. CTCF H19 Igf2 000...
Imprinting The figure depicts the maternal imprinting of the mouse Igf2 gene. CTCF H19 Igf2 000 OOO Insulator Enhancers 0000 Question 35 (2 points) a) What is an insulator? (1-Point). What is maternal imprinting? (1-Point). Question 36 (1 point) b) What is the mechanism of maternal imprinting for the Igf2 gene? (1-Point). Question 37 (1 point) c) What is the mechanism by which the paternal allele is not imprinted? (1-Point) Question 37 (1 point) c) What is the mechanism by...
What is genomic imprinting? Please write an essay to explain its function and mechanism. Use an...
What is genomic imprinting? Please write an essay to explain its function and mechanism. Use an example to show how genomic imprinting affects gene expression and health.
The imprinting center is found in the promoter region of a non-coding gene called SNRPN. Based...
The imprinting center is found in the promoter region of a non-coding gene called SNRPN. Based on the differences in modifications between the two copies of chromosome 15 in imprinted cells, which of the following statements about SNRPN would be true? The maternal copy of SNRPN is more highly expressed than the paternal copy. The paternal copy of SNRPN is more highly expressed than the maternal copy. Both copies of SNRPN are highly expressed. Both copies of SNRPN are silenced.
This question is confusing is it both or only parental In humans, paternal imprinting of a...
This question is confusing is it both or only parental
In humans, paternal imprinting of a gene on chromosome 15 results in Angleman's syndrome. This implies that this gene is defective on: A) All the paternally inherited chromosomes B) Both the maternally and paternally inherited chromosome 15. C) Both the X chromosomes which have a mutation deleting the "female" forming genes. D) The maternally inherited chromosome 15 E) The paternally inherited chromosome 15
Transcriptional Regulation Gene activation/deactivation 1. what is histone acetylation? How does it affect gene expression? What...
Transcriptional Regulation Gene activation/deactivation 1. what is histone acetylation? How does it affect gene expression? What else can happen to nucleosomes that affects gene expression? Do all the nucleosomes fall off the chromosome at once? 2. what is DNA methylation? How does it affect gene expression? Be able to discuss the examples of DNA methylation covered in class (X inactivation, imprinting). 3. Epigenetics. What is this, and how does it affect gene expression?
net can contain viruses. Unless you need to buil, 15 Jun 1) What is imprinting? (2...
net can contain viruses. Unless you need to buil, 15 Jun 1) What is imprinting? (2 pts) 2) When does it occur? (1 pt) Konrad Lorenz one of the "fathers of animal behavior." and some of the geese that imprinted on him. (From ethology.eu) 3) On what does the offspring imprint (1 pt) 4) What aspect(s) of imprinting could be considered learning? (2 pts) 5) What aspect(s) of imprinting could be considered innate? (2 pts) Focus DE
13) In genomic imprinting in mammals, a chromosome provided by the egg will express the H19...
13) In genomic imprinting in mammals, a chromosome provided by the egg will express the H19 gene but not the IGF2 gene, as shown in the cartoon below Activator protein Insulator protein IGF2 OFF ON Maternal chromosome ICR H19 Enhancer The sperm-derived (paternal chromosome): Also expresses H19 but not IGF2 b. a. Uses another enhancer (not shown) to drive expression of IGF2 Undergoes chromatin modification to inactivate both the ICR region and the H19 c. gene d. Undergoes chromatin modification...
6. (2 points) How is the process of X inactivation similar to genomic imprinting? How are...
6. (2 points) How is the process of X inactivation similar to genomic imprinting? How are they different?
Could you please provide the best answer for following MCQs. Thank you. Question 1 The imprinting...
Could you please provide the best answer for following MCQs. Thank you. Question 1 The imprinting control region is best defined as a promoter that regulates the expression of MeCP2 a sequence that can be methylated or unmethylated to control the expression of one or more genes by regulating promoter-enhancer interactions a sequence that when unmethylated can bind RNA polymerase II to induce promoter activation an enhancer that is inhibited when methylated Question 2 Imprinting is best described as a...
Short explain and type please What is the daf-2 gene and how did a mutation to...
Short explain and type please What is the daf-2 gene and how did a mutation to this gene affect C elegans? Could a mutation to this gene affect humans the same way? Explain.
Imprinting The figure depicts the maternal imprinting of the mouse Igf2 gene. CTCF H19 Igf2 000 OOO Insulator Enhancers 0000 Question 35 (2 points) a) What is an insulator? (1-Point). What is maternal imprinting? (1-Point). Question 36 (1 point) b) What is the mechanism of maternal imprinting for the Igf2 gene? (1-Point). Question 37 (1 point) c) What is the mechanism by which the paternal allele is not imprinted? (1-Point) Question 37 (1 point) c) What is the mechanism by...
This question is confusing is it both or only parental
In humans, paternal imprinting of a gene on chromosome 15 results in Angleman's syndrome. This implies that this gene is defective on: A) All the paternally inherited chromosomes B) Both the maternally and paternally inherited chromosome 15. C) Both the X chromosomes which have a mutation deleting the "female" forming genes. D) The maternally inherited chromosome 15 E) The paternally inherited chromosome 15
net can contain viruses. Unless you need to buil, 15 Jun 1) What is imprinting? (2 pts) 2) When does it occur? (1 pt) Konrad Lorenz one of the "fathers of animal behavior." and some of the geese that imprinted on him. (From ethology.eu) 3) On what does the offspring imprint (1 pt) 4) What aspect(s) of imprinting could be considered learning? (2 pts) 5) What aspect(s) of imprinting could be considered innate? (2 pts) Focus DE
13) In genomic imprinting in mammals, a chromosome provided by the egg will express the H19 gene but not the IGF2 gene, as shown in the cartoon below Activator protein Insulator protein IGF2 OFF ON Maternal chromosome ICR H19 Enhancer The sperm-derived (paternal chromosome): Also expresses H19 but not IGF2 b. a. Uses another enhancer (not shown) to drive expression of IGF2 Undergoes chromatin modification to inactivate both the ICR region and the H19 c. gene d. Undergoes chromatin modification...
6. (2 points) How is the process of X inactivation similar to genomic imprinting? How are they different?
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