Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 13.2, Problem 2CC
VISUAL SKILLS → In The karyotype shown in Figuro 13.3, how many pairs of chromosomes are present? How many sets?
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Linkage Mapping Using a Trihybrid Testcross in Fruit Flies
Remember the black, purple, and vestigial genes from Exercise 1? Now you're going to have to construct a map of the same region from
trihybrid testcross data. The new map should be similar to the one from Exercise 1, but it won't be identical because we're starting with a
new, independent data set.
BLACK PURPLE VESTIGIAL TRIHYBRID TESTCROSS
In the parental generation, you mate a pure-breeding wild-type female (bl+/bl*pu*/pu+vg+/vg+ with a pure-breeding black, purple,
vestigial male (bl/bl;pu/pu vg/vg) to produce an F1 generation that is all wild-type (bl/bliput/pu;vg+/vg). Note that the F1 flies are all
trihybrid.
Next, you mate several F1 trihybrid females (bl/bl:put/pu;vg+/vg) with tester males, which are black, purple, vestigial (bl/bl;pu/pu;vg/vg).
The offspring of this trihybrid testcross are:
Phenotype
Wild-type
Black, purple, vestigial
Vestigial
Black, purple
Purple, vestigial
Black
Purple
Black, vestigial
bl pu vg
bl pu…
are these correct?
Chapter 13 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - How does an asexually reproducing eukaryotic...Ch. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...Ch. 13.4 - The diploid number for fruit flies is 8, and the...
Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Compare the life cycles of animals and plants,...Ch. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- help with following questionI would really appreciate it if you can explain how you got to the final answerarrow_forwardHelp me with ABCDarrow_forwardSaved Gene linkage Complete the following statements about gene linkage. Not all choices will be used. independent A chromosome contains a long series of different are in a definite assortment that sequence linkage group Their position, or on the chromosome is fixed. locus alleles All of the alleles on a chromosome form a(n) they tend to be inherited together. because gametes Because they reside so close together on the chromosome, there is a reduced chance that not follow the traditional Mendelian genotypic ratios. will occur and therefore they do 30 acerarrow_forward
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