Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Textbook Question
Chapter 10, Problem 10P
A researcher interested in studying a human gene on chromosome
If the subject studied is female, how many green and red spots will be detected? Explain your answer.
If the subject studied is male, how many green and red spots will be detected? Explain your answer.
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In the past, the IOC has employed two genetic sex-
determination tests. The Barr body test screens for
the presence of two X chromosomes. In XX somatic
cells, one copy of the X chromosome condenses into
a largely inactive structure called a
Barr body, which can be seen using a light
microscope. In more recent years, a polymerase
chain reaction-based screen has been used to
amplify the DNA sequence of the SRY gene, which is
found only on the Y chromosome.
Based on their karyotypes, what would be the
outcome of these two tests for each of the four
individuals? Drag the labels to indicate the presence
or absence of a Barr body and the SRY gene
sequence.
Give examples of convetional stains used for karyotyping and describe each briefly. Include which part(s) of the chromosomes these stains visualize.
What is an ideogram? What is its significance?
What are some of the medical applications of karyotyping?
What is a molecular marker? Elaborate physical chromosome mapping with the help of molecular markers
Chapter 10 Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. 10 - 10.1 Give descriptions for the following...Ch. 10 - 10.2 The human genome contains contains base...Ch. 10 - In eukaryotic DNA, Where are you most likely to...Ch. 10 - 10.4 Describe the importance of light and dark G...Ch. 10 - Human late prophase karyotypes have about 2000...Ch. 10 - Prob. 6PCh. 10 - From the following list, identify the types...Ch. 10 - 10.8 If the haploid number for a plant species is...Ch. 10 - Mating between a male donkey (2n=64) and a female...Ch. 10 - A researcher interested in studying a human gene...
Ch. 10 - 10.11 In what way does position effect variegation...Ch. 10 - 10.12 A pair of homologous chromosomes in...Ch. 10 - 10.13 An animal heterozygous for a reciprocal...Ch. 10 - Dr. Ara B. Dopsis has an idea he thinks will be a...Ch. 10 - A normal chromosome and its homolog carrying a...Ch. 10 - The accompanying chromosome diagram represents a...Ch. 10 - 10.17 Histone protein isolated from pea plants...Ch. 10 - 10.18 A survey of organisms living deep in the...Ch. 10 - In humans that XX/XO mosaics, the phenotype is...Ch. 10 - 10.20 A plant breeder would like to develop the...Ch. 10 - In Drosophilia, seven partial deletion (1to7)...Ch. 10 - Two experimental varieties of strawberry are...Ch. 10 - 10.23 In the tomato, Solanum esculentum, tall ()...Ch. 10 - A boy with Down syndrome (trisomy 21) has 46...Ch. 10 - Experimental evidence demonstrates that the...Ch. 10 - Prob. 26PCh. 10 - Genomic DNA from the nematode worm...Ch. 10 - 10.28 A small population of deer living on an...Ch. 10 - A eukaryote with a diploid number of 2n=6 carries...Ch. 10 - Prob. 30PCh. 10 - For the following crosses, determine as accurately...Ch. 10 - A healthy couple with a history of three previous...
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- The chromosomes drawn below are found in a human skin cell. The lines represent the chromosomes themselves. The letters indicate the location of a particular version of a gene. d) T/F If the protein produced by the BA gene is involved in the formation of ovaries, then the BA gene is likely located on a sex chromosome. e) T/F Because the genes shown here are found in skin cells, these genes code for proteins required for skin cell function.arrow_forwardSelect 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,…arrow_forwardIdentify the chromosomes in the spread based on their size and banding pattern. Arrange them as shown in the organized picture. I have this image that I have no idea how to start! I get what I'm looking at but I'm having trouble determine if my order is right! Please help me. I've attached the spread of the chromosomes and an example of how they should look.arrow_forward
- what are marker chromosomes and why can spectral karyotyping detect them?arrow_forwardWhat is chromosome painting used for?arrow_forwardIn an electrophoretic gel across which is applied a powerful electrical alternating pulsed field, the DNA of the haploid fungus Neurospora crassa (n = 7) moves slowly but eventually forms seven bands, which represent DNA fractions that are of different sizes and hence have moved at different speeds. These bands are presumed to be the seven chromosomes. How would you show which band corresponds to which chromosome?arrow_forward
- View this video. List at least eight (8) different processes that affect the structure of the chromosomes. Explain in a sentence how each process happens. https://www.youtube.com/watch?v=7_p14l8gPhkarrow_forwardA panel of cell lines was created by human–mouse somatic-cell hybridization. Each line was examined for the presence of human chromosomes and for the production of an enzyme. The following results were obtained:On the basis of these results, which chromosome has the gene that encodes the enzyme?arrow_forwardWhat structures are found in a chromosome? Group of answer choices Two structures for the mitotic spindle to bind, and two complex repetitive structures that are maintained by telomerase One structure for the mitotic spindle to bind, and two complex repetitive structures that are maintained by telomerase One structure for the mitotic spindle to bind, and one complex repetitive structure that is maintained by telomerase Two structures for the mitotic spindle to bind, and one complex repetitive structure that is maintained by telomerase.arrow_forward
- Show the exact location of the following gene in the chromosome. Draw and label. 2p32.1 2q42.2 2p21.3 2q12.3 2p11.2arrow_forwardWhen stained with Giemsa (G-Banding staining), the centromere will be stained: Question 28 options: more robustly (dark band) less robustly (light band)arrow_forwardDescribe the technique of chromosome painting, and explain why it is used.arrow_forward
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