GEN COMBO LOOSELEAF BIOLOGY:CONCEPTS & INVESTIGATIONS; CONNECT ACCESS CARD
4th Edition
ISBN: 9781260149289
Author: Hoefnagels
Publisher: MCG
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Chapter 11, Problem 7WIO
Unneeded genes in an adult animal cell are permanently inactivated, making it impossible for most specialized cells to turn into any other cell type. How does this arrangement save energy inside a cell? Why does the ability to clone an adult mammal depend on techniques for reactivating these “dormant” genes?
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Unneeded genes in an adult animal cell are permanently inactivated,making it impossible for most specialized cells to turn into any othercell type. How does this arrangement save energy inside a cell? Whydoes the ability to clone an adult mammal depend on techniques forreactivating these “dormant” genes?
In contrast with the genomic manipulations of animals and plants described in this chapter, human genetherapy is directed specifically at altering the genomes of somatic cells rather than germ-line cells.Why couldn’t or wouldn’t medical scientists try to alter the genome of human germ-line cells?
the forward primer used in this experiment incorporates part of the cell recognition site, GGCC. How is this different from the sequence of the human TAS2R38 gene? What characteristic of this PCR reaction allows the primer sequence to override the natural gene sequence? Draw a diagram to support your contention.
Chapter 11 Solutions
GEN COMBO LOOSELEAF BIOLOGY:CONCEPTS & INVESTIGATIONS; CONNECT ACCESS CARD
Ch. 11.1 - Prob. 1MCCh. 11.1 - Prob. 2MCCh. 11.2 - What are some uses for transgenic organisms?Ch. 11.2 - Prob. 2MCCh. 11.2 - Prob. 3MCCh. 11.2 - What is the function of the 98.5% of the human...Ch. 11.2 - How does PCR work, and why is it useful?Ch. 11.2 - Prob. 6MCCh. 11.2 - Why do investigators sometimes analyze...Ch. 11.3 - Prob. 1MC
Ch. 11.3 - Prob. 2MCCh. 11.3 - Summarize the steps scientists use to clone an...Ch. 11.3 - Prob. 4MCCh. 11.4 - Prob. 1MCCh. 11.4 - Prob. 2MCCh. 11.4 - Prob. 3MCCh. 11.4 - What are some examples of ethical questions raised...Ch. 11.5 - Prob. 1MCCh. 11.5 - Prob. 2MCCh. 11 - If a restriction enzyme cuts between the G and the...Ch. 11 - Which of the following is not a reason that...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Prob. 5MCQCh. 11 - Preimplantation genetic diagnosis would be least...Ch. 11 - Prob. 7MCQCh. 11 - What techniques might researchers use to create...Ch. 11 - Prob. 2WIOCh. 11 - Prob. 3WIOCh. 11 - Prob. 4WIOCh. 11 - Why are entire genomes not used for DNA profiling?Ch. 11 - In a 2013 investigation, researchers discovered...Ch. 11 - Unneeded genes in an adult animal cell are...Ch. 11 - Prob. 8WIOCh. 11 - Prob. 9WIOCh. 11 - If a cells genome is analogous to a cookbook and a...Ch. 11 - Review the Survey the Landscape figure in the...Ch. 11 - How does PCR relate to DNA profiling and...Ch. 11 - Add the terms restriction enzyme, plasmid, virus,...
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- What Are Clones? Cloning is a general term used for whole organisms and DNA sequences. Define what we mean when we say we have a clone.arrow_forwardA DNA library is a collection of clones, each containing a different fragment of DNA, inserted into a cloning vector. What is the difference between a cDNA library and a genomic DNA library?arrow_forwardWhat would be an advantage of using HaeIII for a cloning experiment? What would be a disadvantage?arrow_forward
- For what reasons would gene therapy be more effective performed onembryos rather than fully developed animals?arrow_forwardWhy is the technique used to clone mammals called somatic cellnuclear transfer?arrow_forwardWooly Mammoths have been extinct for about 10,000 years; however, their remains have been well persevered in Siberia. Due to global warming, these remains are now available to be recovered. Scientists want to extract the DNA and through cloning insert the DNA into an elephant to clone the mammoth. What are some of the pros and cons of cloning an extinct animal?arrow_forward
- Cloning Genes Is a Multistep Process In cloning human DNA, why is it necessary to insert the DNA into a vector such as a bacterial plasmid?arrow_forwardThe search for the BRCA1 breast cancer gene discussed in this chapter was widely publicized in the media (for example, Newsweek, December 6, 1993). Describe the steps taken by Mary-Claire King and her colleagues to clone this gene. How long did this process take?arrow_forwardCloning Genes Is a Multistep Process The following DNA sequence contains a six-base sequence that is a recognition and cutting site for a restriction enzyme. What is this sequence? Which enzyme will cut this sequence? (See Figure 13.5 for help.) 5 CCGAGGAAGCTTAC 3 3 GGCTCCTTCGAATG 5arrow_forward
- What is the difference between molecular cloning and reproductive cloning?arrow_forwardScientists carried out a microarray analysis to compare the gene expression of normal liver cells to that of cancer cells from a person with liver cancer. The scientists labeled the cDNA from the normal pancreatic cells with green fluorescent nucleotides. They labeled the cDNA from the cancer cells with red fluorescent nucleotides. The two cDNAs were mixed and allowed to hybridize to a microarray. Normal liver cells =Green Cancer cells =Red The DNA in that spot is the same in cancer cells and normal cells =Yellow Question: Gene alpha is turned on in all liver cells. In the cancer sample there is a nonsense mutation in this gene such that the protein terminates translation early but transcription is unaffected. What color is the alpha gene spot on the microarray? Answer: Yellow please explain why is the answer yellow?arrow_forwardFor each of the following scenarios, indicate Yes (it is cloning) or NO (it is NOT cloning) _____________________Sperm taken from a mole goat is combined with a female’s egg in a petri dish. The resulting embryo is implanted into the female’s uterus to develop. _____________________A sheep embryo, composed of 17 cells, is removed from the mother’s uterus and separated into individual cells. Each cell is allowed to multiply, creating 16 separate embryos, which are then implanted in different female sheep to develop to maturity. _____________________A cow with many desirable traits is stimulated with hormones to produce a number of egg cells. Each of these eggs is fertilized and implanted into a surrogate mother. _____________________In vitro fertilization _____________________Cell nuclei from an extinct wooly mammoth are placed into enucleated cow cells.arrow_forward
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