Describe three examples of errors in cellular processes that lead to DNA duplications.

Q: Duplications produce extra copies of genes that can mutateindependently of one another and adopt new…

A: Genes carry coded genetic information in the form of specific nucleotide sequences. This specific…

Q: Define duplications

A: Chromosomal rearrangements is a phenomenon which changes chromosomal structure and can alter the…

Q: What happens during duplication?

A: Mutations are defined as the permanent change in the DNA’s base sequence. An agent that causes…

Q: Identify the following chromosomal mutations.

A: The mutation is the sudden deleterious effects in the DNA sequences, they can arise when the DNA is…

Q: Please explain why chromosomal inversions are less detrimental to the organism than a duplication…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Why is gene duplication important?

A: The hereditary units which are transmitted from one generation to next generation are called genes.

Q: explain the symptoms of Robertsonian translocation?

A: Robertsonian translocation is a type of translocational chromosomal aberration in which acrocentric…

Q: Chronic myelogenous leukemia is usually associated with which type of chromosome rearrangement? a.…

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: Altered chromosome structure can drastically affect an individual organism’s phenotype. However,…

A: Chromosomal aberrations are the structural variations in the chromosomes. The different types of…

Q: Referring to Figure 17-19, draw a diagram showing the process whereby an inversion formed from…

A: An inversion is a type of chromosomal rearrangement in which a chromosomal segment is reversed end…

Q: In recombinant chromosomes, where is gene conversion likely totake place: near the breakpoint or far…

A: Gene conversion is a process in which a homologous sequence is replaced by the one DNA sequence in a…

Q: What is tandem and non tandem duplication?

A: A major mechanism by which new genetic material is produced during molecular evolution is gene…

Q: ARVCS is a disorder characterized by the replacement of healthy heart tissue with fatty fibrous…

A: Mutation is any change in the nucleotide sequence of the gene. It may lead to disorders if it makes…

Q: Define about homologous recombination repair ?

A: The most severe form of DNA damage in eukaryotes are the double- strand breaks or broken…

Q: Considering the following chromosome which is represented as a series of genes on each arm separated…

A: The abrupt changes in DNA sequences is called as mutation it may be of many types for example point…

Q: What is the advantage of duplication and divergence of genes?

A: Chromosomal aberration is known as abnormality in the sequence or in the arrangement of the…

Q: Describe a chromosomal deletion, duplication, translocation, and inversion.

A: Chromosomes are string-like designs situated inside the nucleus of animals and plant cells. Every…

Q: Describe two forms of genetic recombination. What functions do they fulfill?

A: Introduction: The adjustment of DNA arrangements by the breakage and rejoining of chromosomes or…

Q: Explain why recombination events do not always result in crossing-over.

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: List the genetic disorders resulting from chromosome deletions:

A: The genetic disorders are caused due to absence or excess or abnormal arrangement of one or more…

Q: Distinguish between a translocation and an inversion.

A: Introduction  Mutation: any changes in the sequence in the genetic material which leads to disorders…

Q: Explain the Variety of Methods Can Detect Chromosomal Rearrangements

A: In genetics, chromosomal rearrangement is defined as the chromosomal abnormality that involves a…

Q: What is deletion and duplication?

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to…

Q: Distinguish

A: Chromosomal abnormalities:-Almost every cell in our body contains 23 pairs of chromosomes, for a…

Q: Which chromosome rearrangements can cause deletions and duplications?

A: A chromosome is a thread like structure present in the nucleus of the cell. It contains the DNA and…

Q: • Deletions remove _______________from a chromosome and causemutant phenotypes mainly through…

A: Mutation is defined as a change which occurs in the sequence of DNA molecule which is due to…

Q: What occurs during duplication chromosomal mutation?

A: Mutations are defined as sudden heritable change which alters the expression of a gene.

Q: With detailed accounts of their various forms, explain any three of the following chromosomal…

A: Mutations may be defined as the changes that occur in a DNA sequence. They are the raw materials for…

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: How is genome duplication harmful?

A: The process, which leads to additional copies of the entire genome due to non dis-junction during…

Q: What is tandem gene duplication?

A: A major mechanism by which new genetic material is produced during molecular evolution is gene…

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: What kind of chromosomal mutations is/are produced by unequal crossing over?

A: Chromosome mutations are changes that arise in chromosomes as a result of nuclear division mistakes…

Q: describe a specific example of chromosome abnormality that leads to human cancers, such as leukemia,…

A: Chromosomal aberrations are changes in the number and arrangement of genes in the chromosomes. They…

Q: Describe the Holliday model and the double-strand break model for homologous recombination

A: Homologous recombination is a type of genetic recombination in which the nucleotide sequences are…

Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…

A: Translocation is caused due to separation of a chromosome segment and its union to a non-homologous…

Q: A chromosome initially has the following segments: A B • C D E F G Draw the chromosome, identifying…

A: Introduction  Any cell contains the specific number of chromosomes and it is referred to as ploidy…

Q: Which of the following is true regarding the presence of a multigene family? A. Multigene families…

A: Gene is a segment of DNA (deoxyribonucleic acid)/RNA (ribonucleic acid), which codes for a protein…

Q: A normal chromosome A B C D * E F G H I J K has mutated to A B C F E * D G H I J K J K. This is an…

A: Considering the genes DEF, there is inversion in the order of the genes. Also, the inversion…

Q: Why is a chromosomal fragment without a centromeresubsequently lost and degraded?

A: The changes in the structure of the chromosome and genes are called chromosomal mutations. The…

Q: What the term Translocation defines in the context of chromosomal ?

A: A chromosome is a lengthy DNA molecule that contains all or parts of an organism's genetic material.…

Q: What are the four types of chromosomal rearrangements?

A: Chromosomal rearrangements are the mutations in the chromosomes that alter the structures of…

Q: The image shows the genetic code of an organism before and after the occurrence of a spontaneous…

A: Any kind of alteration in the nucleotide sequence of an organism’s genome is referred to as a…

Q: Explain two ways that a chromosomal rearrangement can cause a position effect.

A: Genes are the units of heredity that are transmitted through generations. Genes contain the genetic…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.