Homework Answers
A) the inheritance of single point mutation in a gene.
Epigenetic inheritance is not alteration of DNA sequence hence point mutation is wrong. The gene on/off characterized by transcription factors , DNA methylation patterns, condensation through histone modifications that alters the DNA exprrssion without affecting the DNA sequence
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Which is not an example of epigenetic inheritance? Choose one: A. the inheritance of a single...
What does the phrase "epigenetic transgenerational inheritance of disease susceptibility" mean? Question options: a) changes to...
What does the phrase "epigenetic transgenerational inheritance of disease susceptibility" mean? Question options: a) changes to factors that affect gene expression, that are passed down to offspring, and affect whether or not offspring will get a particular disease b) changes to DNA sequences, that are passed down to offspring, and affect whether offspring will get a particular disease c) changes to factors that affect gene expression, that can be passed on from offspring to parents, and affect whether or notparents...
Two identical twins who showed very similar methylation patterns when they were 4 years old show...
Two identical twins who showed very similar methylation patterns when they were 4 years old show very divergent patterns at age 40. This divergence is most likely due to a different alternative splicing in the two individuals Ob different levels of histone acetyltransferase in the two individuals. Oc environmental differences that they experienced as adults. O d. different genomic imprinting in the two individuals. O e differences in their experiences in utero Suppose that a certain enzyme is synthesized whenever...
1. Factors that contribute to the mutation rate of any gene include: Choose all correct. A....
1. Factors that contribute to the mutation rate of any gene include: Choose all correct. A. The size of the gene B.The protein the gene will give rise to after translation C.The nucleotide sequence (DNA or mRNA) D.Spontaneous chemical changes E. The location of the gene on the chromosome (What is the correct answer) 2.Trinucleotides are really just: A. A codon that will be read and converted into a single amino acid in a protein sequence B.A piece of DNA...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic cells, transcriptional activators often work by recruiting the transcriptional macinery to gene promoters DNA methylation is an example of an epigenetic mark that can be inherited Acetylation of histones can result in a more open chromatin structure to allow transcription to occur Different genes can be turned off or on between different organs or stages of development Transcription factor DNA sequences are bound by...
During the course of normal human development, the muscle myosin protein becomes expressed in muscle cells...
During the course of normal human development, the muscle myosin protein becomes expressed in muscle cells but not in non-muscle cells, such as liver cells. Based on this information and your knowledge about biology, select true or false for each of the following statements. a) T/F This expression pattern could result from the muscle myosin gene being present in muscle cells but not in liver cells. b) T/F This expression pattern could result from the regulatory sequence of the muscle...
Please answer and explain the following question below. I believe the answer is D, but would...
Please answer and explain the following question below. I
believe the answer is D, but would like to check and make sure.
Thank you!
19. Which of the following is not a general mechanism that cells use to maintain stable pattens of gene 19. Which of the following is not a general mechanism that cells use to maintain stable patterns of gene expression as cells divide? (a) pitive feedback loop, mediated by a transcriptional regulator that activates transcription of its...
70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A...
70. RNA synthesis in bacteria requires which of the following? a. DNA polymerase III b. A primer c. A DNA template d. DNA Gyrase e. Deoxyribonucleotide triphosphate 86. Two phenotypically normal people have 4 children. 3 are phenotypically normal like their parents, but one is an albino. What are the probable genotypes of the parents? a. Both parents are homozygous dominant b. Both parents are homozygous recessive c. One parent is homozygous dominant and the other is homozygous recessive d....
LABORATORY 10: INHERITANCE END-OF-EXERCISE REVIEW MATCHING: Choose the modes of inheritance listed at the right that...
LABORATORY 10: INHERITANCE END-OF-EXERCISE REVIEW MATCHING: Choose the modes of inheritance listed at the right that correspond to the statements at the left. Each inheritance type will be used twice. 1. When two or more genes determine a single trait. A Incomplete dominance 2. When a trait is determined by genes located on 3. When one gene controls the expression of a B. Sex-linkage C. Polygenic inheritance D. Pleiotropy E. Epistasis F. Linked genes one of the sex chromosomes. second...
For each of the following scenarios, choose which of these recombinant DNA technologies you would use....
For each of the following scenarios, choose which of these recombinant DNA technologies you would use. a) PCR b) cloning vector c) microarray d) in situ hybridization e) reporter genes i. Visualizing the location of a specific gene on the chromosome. _¬_____ ii. Detecting a rare virus in blood. _______ iii. Something in which to insert a gene to synthesize a specific protein. ______ iv. Comparing the gene expression of two different cell types. ______ v. Used to determine the...
In eukaryotic genomes, regions of _____________________ are transcriptionally active while regions of ____________________ are transcriptionally silent....
In eukaryotic genomes, regions of _____________________ are transcriptionally active while regions of ____________________ are transcriptionally silent. A) Heterochromatin; euchromatin B) Euchromatin; heterochromatin C) None of the above Which of the following proteins can regulate eukaryotic gene expression WITHOUT binding to the DNA in the regulatory region? A) repressors B) enhancers C) co-activators D) transcription factors In eukaryotes, transcriptional activity can be regulated by methylation of a dinucleotide sequence called "CpG." This modification occurs at a: A) Adenine B) Cytosine C)...
Two identical twins who showed very similar methylation patterns when they were 4 years old show very divergent patterns at age 40. This divergence is most likely due to a different alternative splicing in the two individuals Ob different levels of histone acetyltransferase in the two individuals. Oc environmental differences that they experienced as adults. O d. different genomic imprinting in the two individuals. O e differences in their experiences in utero Suppose that a certain enzyme is synthesized whenever...
Please answer and explain the following question below. I
believe the answer is D, but would like to check and make sure.
Thank you!
19. Which of the following is not a general mechanism that cells use to maintain stable pattens of gene 19. Which of the following is not a general mechanism that cells use to maintain stable patterns of gene expression as cells divide? (a) pitive feedback loop, mediated by a transcriptional regulator that activates transcription of its...
LABORATORY 10: INHERITANCE END-OF-EXERCISE REVIEW MATCHING: Choose the modes of inheritance listed at the right that correspond to the statements at the left. Each inheritance type will be used twice. 1. When two or more genes determine a single trait. A Incomplete dominance 2. When a trait is determined by genes located on 3. When one gene controls the expression of a B. Sex-linkage C. Polygenic inheritance D. Pleiotropy E. Epistasis F. Linked genes one of the sex chromosomes. second...
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