Q: an human is born with 45 chromosomes, what type of mutation occurred within this individual?
A: Human beings have 22 pairs of autosomal chromosomes and 1 pair of sexual chromosomes. Autosomes…
Q: explain why telomeres at the end our chromosomes shrink as we grow older.
A: Telomere End of chromosome made up of repetitive non coding DNA.
Q: Red–green color blindness in humans is due to an X-linked recessive gene. A woman whose father is…
A: X linked recessive inheritance is a condition where defective gene is located on X chromosome.…
Q: What degree of differences would you expect to see in the DNA base sequences and epigenetic marks of…
A: Monozygotic twins are born due to splitting of one single fertilized egg into two embryos. They are…
Q: What are the number of chromosomes in mouse?
A: Chromosomes are thread-like structures that carry genetic information. Each chromosome consists of…
Q: What percentage of the human genome is nowpredicted to have functionality in at least one cell type?
A: The gene is the basic physical and functional unit of heredity. The genome is the genetic material…
Q: Define the term epigenetic inheritance, and describe twoexamples
A: Epigenetics is basically a study of heritable changes in gene expression that does not involve the…
Q: Explain about the epigenetic differences ?
A: Introduction Expression of gene is highly under control by various mechanisms such as histone…
Q: What are genes / genes and what is their biological significance?
A: Gene The gene is to genetics what the atom is to chemistry. The gene is the unit of genetic…
Q: Name four mobile genetic elements.
A: Genetic materials that can move around within a genome are referred to as "mobile genetic elements."…
Q: From the list of answers below (A-D) select the correct answer(s). There may be more than one…
A: Need to find which of the statement is right from the following.
Q: Describe what is meant by epigenetic inheritance, and explain its significance.
A: Step 1 Epigenetic refers to the phenotypes and processes that are transmitted to other cells and…
Q: Epigenetics has been described as “inheritance, but not as we know it.” Do you think this is a good…
A: Epigenetics is the process of inheritance by mechanisms other than through the DNA sequence of…
Q: Explain the chromatin remodeling complexes ?
A: In eukaryotes, the DNA is firmly twisted and tightly coiled into a complex called Chromatin. This…
Q: Base on your knowledge of DNA, chromosomes and epigenetics and upon examining the picture below,…
A: Epigenetic modification is the changes in chromatin structure which can result in repression or…
Q: Edwards Syndrome is a genetic condition in which a person has three copies of chromosome 18. This…
A: Ans. Edward syndromes (which are referred to as trisomy 18), are a syndrome of chromosome defects…
Q: In terms of chromosome mutations, what are the significance of monosomy/trisomy, auto/allo…
A: MutationMutation is a sudden change that occurs in DNA or gene due to mistake during DNA is copied…
Q: According to the multi-hit model, more than one mutation must occur in a cell for cancer to develop.…
A: A new multihit model of carcinogenesis is produced for use in assessing age-explicit disease rate…
Q: What is meant by epigenesis? How did Kaspar Friedrich Wolff ’s concept of epigenesis differ from the…
A: Epigenesis is the development of an animal or plants from the egg or spore via the processes in…
Q: Categorize each of the following events as an example of genetic inheritance or epigenetic…
A: * genetic inheritance Inheritance is the process in which genetic information is passed on from…
Q: Often, the physical characteristics of genetically identical twins become increasingly different as…
A: The study of changes in the phenotype of an individual due to environmental factors without changing…
Q: 5. discuss different components and types of epigenetic gene regulation 6. define mutation and…
A: Mutation occurs when the base pair sequence of our DNA changes as a result of numerous environmental…
Q: A. What is represented in green below? B. What is represented in red below? A. Histone H1, B.…
A: Introduction: The genomic DNA in eukaryotic cells must be tightly packed while still being…
Q: Is a chromosome deletion equivalent to a frameshift mutation ? Why orwhy not?
A: A frameshift mutation occurs when a transcriptinal domain shifts, causing DNA to be transcribed…
Q: does epigenetics agree or run counter (contradict) to the traditional genetic basis of inheritance…
A: Epigenetics is the study of how genes are expressed, or turned on and off. This can be influenced by…
Q: Why would a mutation in a somatic cell of a multicellular organism not necessarily result in a…
A: Eukaryotic organisms have two types of cells: germ cells which produces gametes and somatic cells…
Q: What are epigenetic modifications? a. the addition of reversible changes to histone proteins and DNA…
A: Epigenetic mutation can be defined as abnormal methylation level that can result in aberrant gene…
Q: Describe the function of the centromere. How are centromeres different from other regions of the…
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: Trisomy 21 is a genetic disorder that occurs when a patient has three copies of chromosome 21 in…
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Q: What chromosome rearrangement is thought to be the source of new genes?
A: Chromosome rearrangement is a change in the order of base sequences along one or more chromosomes.…
Q: Geneticists have been exploring ways to suppress the expression of the extra chromosome 21 in…
A: Chromosomes are a compact form of DNA wrapped around some proteins and are generally present in a…
Q: Briefly explain how transposition causes mutations and chromosome rearrangements.
A: Transposons are the DNA sequences capable of changing its position or location within the genome of…
Q: Which types of chromosome mutations Q.decrease the amount of genetic material in a particular…
A: Mutations are the alterations or the changes that occurs in the DNA. Mutagens are the agents that…
Q: The study of Epigenetics includes which of the following? (Choose all that apply)
A: 1.The vertical transmission of histone modifications 3.How Histone acetylation affects gene…
Q: Describe how dna binding proteins contact the dna (b)How does the acetylation of lysines on the…
A: DNA binding proteins Special sites which are called as DNA binding Domain are present on the DNA…
Q: Which types of chromosome mutations Q.increase the amount of genetic material in all chromosomes?
A: Mutations are the alterations or the changes that occurs in the DNA. Mutagens are the agents that…
Q: in a paragraph discuss some examples of the effects of chromosomal mutations in humans in your own…
A: The majority of mutations develop when the DNA fails to duplicate correctly. All of these mutations…
Q: Based on what you have learned from the previous topics (Central Dogma: Transcription and…
A: Epigenetics is a study in science in which the scientist study about how environment and certain…
Q: Describe how epigenetic changes underlie paramutation.
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Q: Which types of chromosome mutations Q. increase the amount of genetic material in a particular…
A: Mutations are any changes in the genetic material of the cell. Chromosomes contain the genetic…
Q: Define the epigenetic mechanisms - reversible modification of DNA by the addition or removal of…
A: Epigenetics: a. The modification that occurs through the epigenetics mechanism provides an…
Q: The genes that codes for the creation of certain blood groups are located on chromosome "XGp22.3",…
A: *Chromosomes can be found in nucleus which are thread like structures located present in both…
Q: What fraction of the human genome consists of transposons and retrotransposons?
A: Transposons are also known as jumping genes. Such genes are able to change the position anywhere in…
Q: Define the epigenetic mechanisms - chromatin remodeling bythe addition or removal of chemical groups…
A: Introduction Expression of gene is highly under control by various mechanisms such as histone…
Q: The idea that sperm carry more mutations thanoocytes makes sense. Explain how?
A: Mutation is defined as the sudden inheritable change that occurs in the DNA sequence. It is caused…
Q: Explain DNA methylation. How does this process influence cellular function?
A: DNA methylation is a biological process. It is an aging process and lifestyle factor such as smoking…
With diagrams explain:
(i) point mutations
(ii) chromosome rearrangement
(iii) epigenetic changes
Step by step
Solved in 2 steps with 3 images
- What are epigenetic modifications? a. the addition of reversible changes to histone proteins and DNA b. the removal of nucleosomes from the DNA c. the addition of more nucleosomes to the DNA d. mutation of the DNA sequenceTrisomy 21 is a genetic disorder that occurs when a patient has three copies of chromosome 21 in each cell. Which mutation would MOST likely result in a similar phenotype as trisomy 21?Why is chromosome 21 Down syndrome?
- "A deletion of a portion of a chromosome need not be very great before the effects become severe". Explain this ?What degree of differences would you expect to see in the DNA base sequences and epigenetic marks of monozygotic twins? a. Similar differences in DNA base sequence and epigenetic marks b. Greater differences in DNA base sequence than epigenetic marks c. Greater differences in epigenetic marks than DNA base sequence d. No differences in either DNA base sequence or epigenetic marksDefine the term epigenetic inheritance, and describe twoexamples
- Which of the following could represent an epigenetic modification in a cell? A. Deletion of chromosome 18 B. Acetylation of histone H3 C. Deletion of a 20-nucleotide segment of chromosome 3 D. Conversion of an A to a T within a gene E. Duplication of chromosome 13an human is born with 45 chromosomes, what type of mutation occurred within this individual?Based on what you have learned from the previous topics (CentralDogma: Transcription and Translation) and epigenetics, does epigenetics agree orrun counter (contradict) to the traditional genetic basis of inheritance or the centraldogma of biology?