Referring to Figure 17-19, draw a diagram showing the process whereby an inversion formed from crossing over could generate a normal sequence.

Q: Identify the parts (A, B, C, D) of the chromosome below. B A

A: Answer: A = Chromatids  B = Centromere C = Kinetochore  D = Kinetochore microtubules  It is the…

Q: Based on Figure 17-35, write a sentence stating how translocation can lead to cancer. Can you think…

A: Chromosomal translocations are a very common cause of cancer. The most common cancers caused due to…

Q: In humans, chromosome 16 sometimes has a heavily stained area in the long arm near the centromere.…

A: Nondisjunction means failure of pair of homologus chromosome to separate or segregate either during…

Q: Inversions are known to affect crossing-over. The following homologs have the indicated order (the…

A: Insertion, deletion, substitution, and inversion are the four types of mutations. Insertion is a…

Q: In humans, chromosome 16 sometimes has a heavily stained area near the centromere. This feature can…

A: So, non disjunction of the chromosomes occurs in the condition when the homologous chromosomes fail…

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

A: The chromosomes have two arms that are called the short and long arm. The short arm is also referred…

Q: Draw a figure for the mode of transposition not shown in Figure 15-8, retrotransposition.

A: Retrotransposition occurs by LTR and Non-LTR retrotransposons.

Q: If you are comparing the two telomeres in each entryin the following list, in which cases would you…

A: The process of DNA replication is the process by which the genetic material of the organism copies…

Q: Why is the term “crossing-over” appropriate for the exchange of DNA segments between homologous…

A: Crossing over can be defined as the exchange of genetic material that occurs between the non-sister…

Q: n an inversion, is a 5′ DNA end ever joined to another 5′ end? Explain.

A: The strands of DNA are known to be anti-parallel.i.e. even though they have the same chemical…

Q: Consider the arrangement of the following four normal chromosomes from some hypothetical organism…

A:

Q: A heterozygous reciprocal translocation involving 2 non-homologous chromosomes resulted to a new…

A: Translocation refers to a change in location. In genetics, some part of a chromosome is transferred…

Q: In an electrophoretic gel across which is applied a powerful electrical alternating pulsed field,…

A: SDS-PAGE (Sodium Dodecyl Sulphate-Polyacrylamide Gel Electrophoresis) is a quantitative method to…

Q: why why heterozygosity for a deletion can be harmful?

A: Deletion refers to a type of mutation in which the genetic material in a chromosome is deleted or…

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: In the following schematic drawing of a Holliday junction,one chromatid is shown in red, and the…

A: a) Cuts should occur at positions 2 and 4 to get recombinants. A Holliday model can be resolved in…

Q: Consider Cyclic Crossover on two Parent chromosomes: Parent1 = A0846172593B and Parent2 =…

A: The child chromosome will be... chromosome no 1 is... A94B5721608A chromosome no 2 is...…

Q: chromosome of genotype   C D recombines with a homolog of genotype   c d during meiosis when Spo11…

A: * Given that chromosome of genotype  "CD"  recombines with a homologous of genotype  "cd" during…

Q: In corn, the genes v (virescent seedlings), pr (red aleurone), and bm (brown midrib) are all on…

A: The diagrammatic graphical representation of relative distance between linked genes of a chromosome…

Q: What type of chromosome or fragment cannot be formed by the following chromosome inversion…

A: An inversion is a chromosome rearrangement in which a segment of chromosome is reversed end-to-end.…

Q: Why would an individual with a mutation that prevented the formation of recombination nodules be…

A: The synaptonemal complex between the homologs consists of large proteinaceous complexes, which are…

Q: 13.2 13.1- 12. 11 11- 12 22 23 24 HIDGE b с d f g bo h

A:

Q: If a fragment of a chromosome breaks off and then reattaches to the original chromosome but in the…

A: Translocation means a change in location. It generally refers to genetics when part of a chromosome…

Q: Figure 1. Showing a homologous pair of chromosomes that carry two linked genes. Here we can see that…

A: Alleles are two forms of the gene. If two genes are linked, their independent assortment during…

Q: A chromosome with the following gene order has a paracentric inversion of BCDE. A B C D E F • G H If…

A:

Q: Explain why unequal crossing over always produced a duplication and deletion at the same time, not…

A: Crossing over occurs in the first division of meiosis at this stage each chromosome has replicated…

Q: Which of the following types of chromosomal changes would youexpect to have phenotypic consequences?…

A: Chromosomes carry the genetic material DNA. Chromosomes may undergo rearrangements that are the…

Q: why The chromatids formedby recombination within the inversion loop of a paracentric…

A: When the region between two breaks of the same chromosome rotates 180°, it results in chromosomal…

Q: The gold elements are pseudogenes. Explain how they could have arisen after gene duplication

A: The basic functional and physical unit of heredity is referred to as genes. The genes are the units…

Q: This is a diagram of chromosome 17. What is the cytogenetic coordinates of a gene at the indicated…

A: Here, Cytogenetic coordinate of a gene means the position of a gene on a chromosome. A chromosome…

Q: hat type of chromosomal mutation is seen in the corresponding picture? lect one: a. Duplication b.…

A: Mutation is the alteration of the nucleotide sequence of the genome of an organism. The mutation is…

Q: n 3 a. Draw the structure of the acentromeric chromosome using a line and letters to designate loci…

A: Inversion is one type of chromosome aberration where the chromosome segment is excised and…

Q: Colchicine is a chemical mutagen that inhibits the spindle formation and prevents anaphase, which…

A: Introduction  Cell cycle have different phase which is broadly divided into two Interphase and M…

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: In a tetraploid B /B /b /b, how many quadrivalent possiblepairings are there? Draw them (see Figure…

A: The number of sets of well define chromosome that is term as homologous chromosomes in a cell's or…

Q: Explain how mitotic recombination leads to the mosaiccondition termed twin spots.

A: Mitotic recombination is a kind of genetic recombination takes places in somatic cells at a time of…

Q: In an in situ hybridization experiment, a certain clonebound to only the X chromosome in a boy with…

A: In situ hybridization is a sort of hybridization in which a labelled complementary DNA, RNA, or…

Q: What is nonautonomous transposition?

A: Transposition refers to the translocation in which the segment of the chromosome is relocated…

Q: The following diagram shows 2 pairs of autosomal chromosomes in a karyotype of a biological woman.…

A: From the diagram it can be said that the left chromatid in the first pair and the right chromatid in…

Q: One of the following is most suitable for study of mutations: A. Haploids B. Diploids C.…

A: Mutation refers to the  alteration of the  nucleotides sequence of the DNA (Deoxyribonucleic acid).…

Q: E B a. Draw the structure of the acentromeric chromosome using a line and letters to designate loci…

A: Inversion is one type of chromosome aberration where the chromosome segment is excised and…

Q: Alterations of chromosome structure can not be resulted from: اختر احدى الاجابات Translocation…

A: Mutations are  errors occur during DNA synthesis . These errors can be adventageus or dangerous ..…

Q: Are the epsilon (ε) and beta (β) genes on chromosome 11 orthologs or paralogs? Explain your answer.

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

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: why two crossovers are needed on one chromatid arm?

A: Crossing over or chromosomal crossover is the process where exchange of genetic material happens…

Q: Chromosome from an A1 cow: 3' 5' Microsatellite 412A100 Beta casein A1 3' 5' A The same locus, but…

A: First of all DNA is broken down with the help of certain specific restriction endonucleases into DNA…

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.