Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 16.2, Problem 2CC
Deity’s egg donor and surrogate mother were “Scottish blackface” sheep, while the donor of the nucleus was a white-faced sheep. Explain why Dolly has a white face (see Figure 16.12).
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Chapter 16 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 16.1 - Prob. 1CCCh. 16.1 - MAKE CONNECTIONS Explain how the signaling...Ch. 16.1 - How do fruit fly maternal effect genes determine...Ch. 16.2 - Deitys egg donor and surrogate mother were...Ch. 16.2 - WHAT IF? If you were a doctor who wanted to use...Ch. 16.3 - Prob. 1CCCh. 16.3 - Prob. 2CCCh. 16.3 - Prob. 3CCCh. 16 - Muscle cells differ from nerve cells mainly...Ch. 16 - Cell differentiation always involves A. the...
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- There is no change in the DNA sequence when stem cells differentiate into different cell types. Explain the reason for this change in phenotype without a change in the genotype.arrow_forwardexplain what this diagram is showingarrow_forwardWhich members of the pedigree could have been carriers, and which might have been the source of the mutation?arrow_forward
- Answer the following questions: A) Why the extension cannot be 3´---5´ and why it has to be 5´------3´? B) What is a gene?arrow_forwardBob's telomerase works extremely well (10x better than the average humans). Explain the function of telomerase in normal people. Describe one advantage to Bob that you would predict. Describe one disadvantage for Bob you might predict. (3 sentences)arrow_forwardBriefly explain how McClintock determined that D s was occasionallymoving from one chromosomal location to another. Discussthe type of data she examined to arrive at this conclusion.arrow_forward
- Lay out the genetics of Nicholas’s case, including where the mutationoccurred, what exact nucleotide defect was present, why this was aserious type of defect, and why he was so affected by the mutationbut his mother was not.arrow_forwardGo to the NCBI’s website at https://ncbi.nlm.nih.gov On the database dropdown menu, select “Gene” and search for “RB1.” The first entry should be on the Homo sapiens version; click the gene name. Use the information to answer the following: What is the chromosomal location of RB1? Scroll down to the “Expression” data. List 2-3 examples of normal tissues that typically express the RB1 gene. Would you say that RB1 expression is very specific or general within tissues? Scroll down to the “NCBI Reference Sequences (RefSeq)” section. Click on the “GenBank” link under NG_009009.1 RefSeqGene. This will take you to the genomic sequence of RB1. How many nucleotides long is the full-length RB1 gene? Return to the RefSeq section in the Gene Database for RB1 (back click once from where you were for part c). Click on the link under “mRNA and Protein(s)” listed as NM_000321.3. This will take you to the mature mRNA sequence data: How many bases long is the full-length RB1 mRNA transcript? Scroll…arrow_forwardYour friend can't understand how it is possible to combine a somatic cell from their pet with an oocyte from a different animal and create a clone of their pet. Won't the animal that develops be the offspring of the two animals rather than a clone of the animal that donated the somatic cell? Explain to your friend why this is not the case.arrow_forward
- "CG islands are thought to have arisen during evolution because they were associated with portions of the genome that remained unmethylated in the germ line" is true or false.arrow_forwardThe white spots in this image represent Barr Bodies. The cells are from a Male cell line. What is the sex chromosome complement of this cell line?arrow_forwardThe Hemoglobin gene has two very common alleles: HbS and HbA. Bob’s professor asks him to draw the chromosomes for an individual that is HbSHbA and label the alleles. Bob draws this (below). Explain why Bob is wrong and then draw it correctly. FOXP2 is a gene in humans; humans that have mutated copies of FOXP2 often have trouble speaking. It is on Chromosome 7, which is about 160 million base pairs long. FOXP2 is at position 115 million base pairs. Which of the drawings below appropriately diagrams the location of FOXP2? Why?arrow_forward
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