Q: What is interspecification hybridisation?
A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…
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Q: what is the difference of FISH and karyotype?
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Q: What is interspecific hybridization. Give an example?
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A: Hello, thank you for your question. As per our policy, we only provide the answer to 1st question,…
Q: what is the purpose of homogenization? it increases the absorption of DNA molecules it decreases…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
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Q: Why are interspecies hybrids usually sterile? How can the sterility of interspecies hybrids be…
A: Why are interspecies hybrids usually sterile? ANSWER:- Interspecies hybrids are usually sterile…
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A:
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Q: negative heterosis value means?
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- Using the data below please identify the following: Identify which of the siblings in generation II has a recombinant chromosome. Determine which of his/her children is at risk of developing adenomatous polyposis based on the new data. Table 2 RFLP data for a family suffering from APC syndrome. III1 III2 III3 II1 II2 III4 III5 III6 I1 I2 II3 II4 III7 II5 II6 III8 III9 III10 II7 II8 III11 III12 III13 II9 II10 A A A A A A A A A A A A B B B B B B B B B B B B B B B B B B B C C C C C C C C D D D D D D DThe image below shows a standard human karyotype, from a metaphase cell. Note that the positioning of the chromosomes in the image is to aid visualization; they are not lined up this way in the cell. Вох 1 Вох 2 5 器 1 88 9 10 11 12 13 14 15 16 17 18 19 20 21 22 2012 Pearson Education, he If this individual is heterozygous for a gene on chromosome 1, with alleles A and a, what alleles could be represented in the chromosomes in Box 1? Select all that are correct. Assume that the image represents a mitotic cell. a. A only b. a only c. Both A and aGenes Q, R, and S are on the same chromosome. The crossoverfrequency between S and Q is 5%, the crossover frequency betweenQ and R is 30%, and the crossover frequency between R and S is35%. Use this information to create a linkage map for thechromosome
- Tick all the essential steps to demonstrate a genetic linkage between a disease and a molecular marker in humans. identify the alleles of the genetic marker only for diseased individuals in the pedigree enumerate parental type individuals sequence the wild-type and mutant alleles to find the mutation no correct answer calculate a Lod score calculate the recombination frequency between the mutation and the molecular marker identify the alleles of the genetic marker for each individual in the pedigree pedigree analysis cloning the defective gene enumerate recombinant individualsSelect the best process listed below for each of the following statements. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement. Homologous sets of genes ABCDEF and aBCdEF are located on - vnonhomologous chromosomes. Crossing over between them is suppressed because their locations are the result of this. Homologous sets of genes ABCDEF and AEDCBF are located on homologous chromosomes. A small region of a protein from three species is sequenced and found to be as follows: species X is alanine, glycine, glycine, threonine, alanine v species Y is alanine, glycine, threonine, alanine species Z is alanine, glycine, glycine, threonine, alanine The difference in the amino acid sequence of species Y is most likely due to this. a. Inversion b. Deletion A small region of a protein from three species is sequenced and found to be as follows: c. Gene duplication d. Translocation e. Insertion species X is alanine, glycine,…The diagram below represents genes (indicted by letters) on two nonhomologous chromosomes, where the * indicates the centromere. AB*CDEFG RS*TUVWX If an individual has a genotype (for these two chromosomes) of: AB*TUVFG RS*CDEWX what type of chromosome error has occurred? inversion reciprocal translocation deletion duplication 001
- With the given frequency, construct a chromosome map. Arrange the sequence correctly. Write the letters as shown in the example (ex. ABCD). Frequency: M-A: 10%; M-Y: 2%, L-A: 2%; and Y-L: 6%Chromosome structural errors can occur during Meiosis which can lead to health disorders. Examine the figure below and select the correct order of error type from left to right in which they appear. duplicati on, translocation, deleti on, inversion duplication, inversion, del etion, translocation O deletion, translocati on, inversion, duplication O translocation, inversion, duplication, deletion inversion, translocation, duplication, deletionThe picture shows a gel of PCR products for the loci SRY, AMELX/Y and ZFX/Y, for three controls and five test human individuals (1-5). Below the gel is the phenotypic sex of each individual, their fertility status, and the number of Barr bodies seen in the nucleus of a somatic cell in each case. The diagram to the right shows the positions of the tested loci on the human sex chromosomes, and also the positions of the PRKX and PRKYgenes. Which sample carries a derived X chromosome with a translocation due to ectopic crossover between the loci PRKX and PRKY: 46,X,derX,t(X,Y); ? 1 2 3 4 5
- A proband female with an unidentified disease seeks the advice of a genetic counselor before starting a family. Based on the following data, the counselor constructs a pedigree encompassing three generations: (1) The maternal grandfather of the proband has the disease. (2) The mother of the proband is unaffected and is the youngest of five children, the three oldest being male. (3) The proband has an affected older sister, but the youngest siblings are unaffected twins (boy and girl). (4) All the individuals who have the disease have been revealed. Duplicate the counselors featA child patient was found to have an autosomal recessive disease. Mutation testing indicated homozygosity for the pathogenic mutation. Mutation testing in father found him heterozygous while the mother is wild type for both alleles. How could this happen? Child have inherited a chromosome from his paternal grandfather and the other homolog from his paternal grandmother Child might be trisomic then trisomic rescue happened and resulted in paternal isodisomy Child might be trisomic then trisomic rescue happened and resulted in maternal heterodisomy Child might be trisomic then trisomic rescue happened and resulted in maternal isodisomy Child might be trisomic then trisomic rescue happened and resulted in paternal heterodisomyThe organism you are working with has the following chromosomes. Place the chromosomes of this organism onto the cell below such that the diagram accurately shows a primary meiocyte from this organism in metaphase I of meiosis. Note 1: Only place chromosomes you need. You don't need them all. Note 2: You can place the "Blank Box' image if you don't think you need a chromosome at a particular position. Dashed line - the metaphase plate 1.