Which phrase best describes a human with the chromosomes represented in the karyotype below? * 1 5 1X r8 XX XX 人 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 XX 4 A 21 22 XX A female who exhibits Down syndrome A male who exhibits Down syndrome O A female who does not exhibit Down syndrome
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- Arabidopsis thaliana is a diploid plant model organism with 2n = 10. Please select the number options to match the following: %3D number of copies of each gene an Arabidopsis thaliana leaf cell has 1 v number of chromosomes an Arabidopsis thaliana leaf cell contains 1. two 2. five number of chromosomes an 1 v Arabidopsis thaliana gamete cell contains 3. ten pairs of homologous chromosomes an Arabidopsis thaliana leaf cell contains 2.A colleague e-mails you saying that she has identified an interesting chromosome variation at 21q13. In discussing this discovery with a friend who is not a cytogeneticist, explain how you would describe this location, defining each term in the chromosome address 21q13.7.4 5577 20/ CV* 5. (a) Complete the following diagram to show the process by which gametes are formed. amand NOR NO devane 8 8. 072 404 PACLIGNO YOU Forsch chenyle VI SAMNING Zeytmos Lectopic of 12 mesecer in 200AU g Chor WERY IN 12120/ ZAINA Stage Act PE Stage B 2X P Stage C AUT2 Xyadden che d S www.w opov 02/01 88 8 us ml 151/3/0/00 COADCA CLAS Stage D Janis Stage E
- ISlate edu/ d2l/le/content/5003190/viewContent/44248878/View Google Tranx 4 My Drive-G X 4. Suppose that a parent Drosophila is e ca* ca The gamete frequency is as follows: e'ca e ca 16% e'ca е са 31% 14% 29% a. Circle the recombinant gametes. b. What is the map distance between the ebony and claret genes?A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown?Arabidopsis thaliana is a diploid plant model organism with 2n 10. Please select the number options to match the following number of copies of each gene an Arabidopsis thaliana 1 leaf cell has number of chromosomes an Arabidopsis thaliana leaf cell contains 1. two 2. five number of chromosomes an Arabidopsis thaliana gamete cell contains 3. ten pairs of homologous chromosomes an Arabidopsis thaliana 2 leaf cell contains
- Which letter is pointing at the centromere region? В A CThe 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 001The 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 3 88 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 © 2012 Pearson Education, Inc. If the image represents a meiotic cell, what will happen to the DNA represented in Box 1 after meiosis is complete? а. It will be split equally between the four daughter cells. Ob. It will be split between two of the four daughter cells, with different amounts of DNA in each cell. O c. It will be split between two of the four daughter cells, with the same amounts of DNA in each cell. d It will all end up in one daughter cell.
- The 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 aDuring a practical, a group of biology students are tasked to study the cell cycle of an insect. This insect has the karyotype 2n=6, with genotype Ff Gg Hh KK. The students must draw a cell at the end of telophase of mitosis, using red lines for maternal chromosomes, blue lines for paternal chromosomes and black dots to represent centromeres. The drawing provided by the students is shown below. kt a) Identify three mistakes the students made when producing this diagram. In your answer only refer to elements already present in the figure. b) This fly is used in a testcross. What is the probability of producing a fly with genotype ff Gg hh Kk?The following diagram represents two nonhomologous chromosomes: A B • C D E F G R S • T U V W X What type of chromosome mutation would produce of the following groups of chromosomes? Q. A B • C D R S • T U V W X E F G