Campbell Essential Biology (7th Edition)
Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 11, Problem 18PS

Because a cat must have both orange and non-orange alleles to be tortoiseshell (sec Figure 11.4), we would expect only female cats, which have two X chromosomes, to be tortoiseshell. Normal male cats (XY) can carry only one of the two alleles. Male tortoiseshell cats are rare and usually sterile. What might be their genotype?

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If PCR was performed on the fragment of DNA shown below using "5'-TAGG-3" and "3'-TCTA-5'" as the primers, how many base pairs long would the PCR product be? To help with this, remember the antiparallel structure of DNA and that primers are complementary and antiparallel to the target sequence that they bind to. Hint: Check out the 5' and 3' labels....they are important! 3’- T  A  T  C  C  G  A  C  A  A  T  C  G  A  T  C  G  A  T  T  G  C  C  T  T  C  T  A  A -5’ 5’- A  T  A  G  G  C  T  G  T  T  A  G  C  T  A  G  C  T  A  A  C  G  G  A  A  G A  T  T – 3’
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