What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc. The linkage of alleles or molecular markers along achromosomed. All of the above
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What is a haplotype?
a. A species with one set of chromosomes
b. A cell with one set of chromosomes
c. The linkage of alleles or molecular markers along a
chromosome
d. All of the above
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Solved in 2 steps
- What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc. The linkage of alleles or molecular markers on a chromosomed. All of the above describe a haplotype.Which of the following best describes the concept of independent assortment? Group of answer choices a. 2n, where n = number of chromosomes b. Gametes receive one of each chromosome pair but which chromosome it receives is decided randomly c. Refers to the Mendelian genetics d. Independent assortment always occurs at prophase 2 in eukaryotic organisms. e. Is the process of specified segregation and assortment of chromosomes in an organism.A geneticist determines that the order of four genes on a specific chromosome is CABD because the recombination frequencies were 35% for C-D, 24% for A-D, 23% for B-D, and 10% for A-B. What has the geneticist constructed? A. a physical map B. a karyotype C. a cytogenic map D. a linkage map
- Examination of a karyotype reveals 23 pairs of chromosomes, with each homologous pair illustrating similar size and centromere location. Which of the following can be concluded from this karyotype?a. The individual has Down syndrome.b. The individual is a female.c. The individual does not have cystic fibrosis.d. The individual does not have sickle-cell anemia.A research scientist is studying diseases associated with homologous chromosomes and notices that the same gene along the chromosome has different function what can you conclude about his findings? A. The homologous pairs have been recombined and therefore he is studying end joining of chromosomes B. He is studying sex chromosomes and the differences are because the chromosomes are from a male species organism C. He has identified different alleles among homologous chromosomes. D. He is studying basic chromosome remodeling during fertilzationWhat are characteristics of two loci being in linkage disequilibrium? O a. The two loci are located on different chromosomes. O b. There is a random association between a chromosome's genotype at one locus compared to another locus. O c. The coefficient of linkage disequilibrium is greater than zero. O d. The genotype on a chromosome for a given locus is independent of other genotypes at other loci on the same chromosome.
- To map the distance between molecular markers via testcrosses,the markers must bea. polymorphic. c. fluorescently labeled.b. monomorphic. d. on different chromosomes.How would one explain a testcross involving F1 dihybrid flies in which more parental-type offspring than recombinant-type offspring are produced? Group of answer choices A. The testcross was improperly performed B. The two genes are linked C. Both of the characters are controlled by more than one gene D. The two genes are linked but on different chromosomes E. Recombination did not occur in the cell during meiosisAn organism has the chromosomes shown below. Let the period represent the centromere. LMNO.PQRST and LMNQP.ORST Assume that a single crossover occurs between the P and Q loci in this individual, Which of the following are gametes that this individual will produce. Select all that apply. Select one or more: O a. LMNO.PQNML O b. LM.NOPORST O c. LMNO.PRSTQ O d. LMRS.TOPQ O e. LMNPQ.ORST Of. LMNOP.QRST Og. LMNOP.ORST Oh. LMNPQ.ORST
- is a segment of DNA whose sequence of nucleotides codes for a 7. A protein. a. gene b. chromosome c. karyotype d. characteristic 8. A Is a graphic display of chromosomes, arranged by size and shape. a. genotype b. phenotype C. monotype d. karyotype 9. In purple people eaters, one-horn is dominant and no horns is recessive. Draw a Punnett Square showing the cross of a purple people eater that is heterozygous for horns with a purple people eater that does not have horns. Summarize the genotypes & phenotypes of the possible offspring. 10. Blood typing: a. The father of a child has type AB blood. The mother has type A. Which blood types can their children NOT have? b. A woman with type A blood and a man with type B blood could potentially have offspring with what blood types? c. The mother has type A blood. Her husband has type B blood. Their child has type O blood. The father claims the child can't be his. Is he right?Construct a chromosome map from the following chart showing crossover frequencies for linkage groups on autosomes. Gene Combinations Recombination Frequency a/b 2.5 a/c 3.0 b/c 5.5 b/s 5.5 a/s 8.0 c/s 11.0The image shows a homologous pair of chromosomes. Now imagine a crossing over event occurring between a chromatid on one chromosome and a chromatid on the other chromosome. This cross over occurs between the S and T loci. What are the genotypes of the two chromatids after the crossover? ANSWER CHOICES A. grsT and GRSt B. impossible to know C. grst and GRST D. GrSt and gRsT