How many Barr bodies will be visible in cells from a person with the karyotype depicted below? 18 10X K )) | If a se }) 76 21 $F 31 a. None. b. One. c. Two. d. Three. e. Four. }}
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- The following question refers to the diagram (with boxes where it has been left incomplete): P. EA EAB-EPQ EB 4 EP (2) Which of the following is correct in regards to the diagram above? A. X-A, Y=B, Z=P OB. X-B, Y=A, Z=Q OC.X-E, Y=A, Z=E D.X-E, Y-B, Z=QWhat is the genotype for individual 9? A. X(H) X(h) B. X(h) X(h) C.X(H) X(H)Several cell culture lines of epithelial cells, called “Cell Line A, B, or C,” are incubated with 104 infectious particles of influenza virus, and viral titers in the culture media are measured 2 days later. Looking at the results of this experiment, it is apparent that the three lines do not all show the same response to the virus. To investigate these differences, mixing experiments are performed, where cells from two different cell lines are mixed together at a 1:1 ratio before the Influenza infection. Based on the results shown in the figure below, propose an explanation for these data.
- 8. The diagram below shows a pedigree of cystic fibrosis (CF), in which the black colour indicates the presence of CF. What is the probability that the individual labelled X is a carrier of CF? a) 100% b) 50% c) 25% d) 0%Familial Mediterranean fever is an inheritable disorder that causes inflammation in the abdomen, chest, or joints. Let F be the dominant allele and let f be the recessive allele. The genotypes of individuals II-4, III-2, and IV-3, respectively, are Select one: a. F_, F_, and F_ b. F_, FF, and Ff c. Ff, F_, and Ff d. F_, Ff, and F_An individual has the following genotype. Gene loci (A) and (B) are 15 m.u. apart. What are the correct frequencies of some of the gametes that car be made by this individual? Bl a O A. Ab = 7.5%; AB = 42.5% B. ab = 25%; aB = 50% O C. AB = 7.5%; aB = 42.5% O D. aB = 15%; Ab = F0% E. aB = 70%; Ab = 15% Reset Selection OMark for Review What's This?
- 14. Write the karyotype of a Turner syndrome. O A) 2n = 46 - 1 O B) 2n - 1 = 45 O C) 45, X O D) 46 - 1, X1. Two strains of Sordaria are crossed with spore phenotypes a and b. The following table shows the number of each type of ascus found. Ascus type [Number of Asci] 1. aabbbb a a [100] 2. bbaabba a [94] 3. aaaabb b b [184] 4. aabba a b b [100] bbaaa a b b [122] 5. 6. bbbbaa a a [200] A. Which asci represent second division segregants? B. How far is the a/b locus from the centromere? mA researcher is interested in whether a disease gene is linked to an RFLP marker. A cross is made between pure breeding blind cavefish and pure breeding sighted cavefish. The lines are pure breeding. The resulting RFLP markers of the F1 offspring and the F2 (from an F1XF1 cross) offspring are shown. F1 F2 A. If the disease gene is 10 m.u. from the RFLP marker, what proportion of the F2 will have the gel pattern shown above AND be blind? Show your work B. If the disease gene is 10 mu. from the RFLP marker, what proportion of the F2 will have the gel pattern above AND NOT be blind? Show your work Blind cavefish Sighted cavefish Sighted cavefish 1 Sighted cavefish
- Name: 2. Some ladybugs have 10 black spots on their shells and some have 4. When true breeding 10 spot individuals are crossed with true breeding 4 spot individuals, the offspring have 7 spots. a. Propose two distinct explanations for this finding. Explain the nature of spot inheritance in each case. D. rew bacteria erred them figure above would of14N7 then ely 2 moldon omrod abitqaq ratlsmmem sge of delw toiisoibom s s neu not oomod aid to soubnup ogusl onomod odi to slevel ismon oouborg o o consu ud od souboini bluow uoy dairlw yd za00oq sdi mialex b. Propose an experiment that would distinguish between these possibilities. sor proieins1. Choose the phrase from the right column that best fitsthe term in the left column.a. cytoplasmicsegregation1. transmission of genes through maternalgamete onlyb. heteroplasmic 2. cell that has mtDNAs or cpDNAs all of onegenotypec. homoplasmic 3. having gametes of similar sized. maternalinheritance4. a cell with a mixture of different mtDNAsgenerates a daughter cell with only one kinde. uniparentalinheritance5. a specific fraction of wild-type organellarDNAs is required for a wild-type phenotypef. isogamous 6. cell with mtDNAs or cpDNAs with differentgenotypesg. threshold effect 7. transmission of genes through either amaternal or a paternal gamete, but not bothYou are doing a blood typing test and you have observed clumping with anti-B serum. What is your interpretation? A. The blood is type AB. B. None C. The blood is type B. D. The blood is type A. E. The blood is type O.