Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 29, Problem 9TYK
Summary Introduction
Introduction:
Genome sequencing is presumably the procedure of establishing the complete sequence of the genetic material of an organism at any single time. It entails the sequencing of genetic material of an organism, either plant or animal.
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A. What is the wild progenitor of maize and where is it found?
B. George Beadle concluded that this plant was the likely ancestor of maize (corn) even though the two plants appear very different. What evidence did Dr. Beadle collect that led to his conclusion?
C. How long ago was maize domesticated and what evidence was utilized to determine this?
D. Dr. Doebley and his team compared the DNA sequence of maize to that of a number of teosinte varieties from throughout Mexico. What did their analysis reveal?
X-value
0.95
0.84
2.72
7.83
Y-value
0.86
0.84
0.8
0.73
(d)
Scientists believe that the yellow fern arose from hybridization with another fern
on the island. Create a diagram of this hybridization that tracks the origin of the
chromosome number in the yellow fern.
Chapter 29 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 29.1 - What major reproductive adaptations facilitated...Ch. 29.1 - How did seeds, pollen, and pollination affect the...Ch. 29.2 - Why are gymnosperms called naked seed plants?Ch. 29.2 - Prob. 2SBCh. 29.2 - Summarize the steps of the pine life cycle.Ch. 29.3 - Prob. 1SBCh. 29.3 - Prob. 2SBCh. 29.4 - Prob. 1SBCh. 29.4 - Prob. 2SBCh. 29.5 - Name four major ways human societies rely on seed...
Ch. 29.5 - Prob. 2SBCh. 29 - Prob. 1TYKCh. 29 - Prob. 2TYKCh. 29 - Prob. 3TYKCh. 29 - Prob. 4TYKCh. 29 - Prob. 5TYKCh. 29 - Prob. 6TYKCh. 29 - Prob. 7TYKCh. 29 - Prob. 8TYKCh. 29 - Prob. 9TYKCh. 29 - Adaptations that correlate with the adaptive...Ch. 29 - Prob. 11TYKCh. 29 - Discuss Concepts Modern humans emerged about...Ch. 29 - Discuss Concepts Compare the size, anatomical...Ch. 29 - Prob. 14TYKCh. 29 - Discuss Concepts Working in the field, you...Ch. 29 - Prob. 16TYKCh. 29 - Prob. 1ITDCh. 29 - Prob. 2ITD
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- Researchers can introduce loss-of-function mutations into genesusing the CRISPR/Cas9 technology . Ifyou used this technology to produce the following homozygous loss-of-function mutations in a winter-annual strain of Arabidopsis, describe how each mutation would affect flowering and the requirement for vernalization.A. FLCB. VIN3C. COLDAIRarrow_forwardExamine the trait distribution of Specific Leaf Area (The ratio of leaf area to dry mass, SLA), below. The dotted normal distribution represents the natural pattern of SLA observed in nature. The histogram below the dotted curve represents the distribution of phenotypes when the plant is grown in a single common environment. The numbers above the bars represent the observed phenotype ratio. a a) How many polygenes encode for this trait? b) Assuming the minimum observed phenotype in a common garden was 8sqm/kg and the maximum observed phenotype was 20 sqm/kg, what is the contribution of each allele in this polygene?arrow_forwardGive and explain three reasons why Arabidopsis makes a good model organism for plant genetics.arrow_forward
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- A. Dr. Doebley and his team compared the DNA sequence of maize to that of a number of teosinte varieties from throughout Mexico. What did their analysis reveal? B. Teosinte looks like a terrible plant to begin to domesticate for agricultural purposes. What hypothesis is put forth to explain farmers’ early interest in the plant?arrow_forwardWhat slide preparation technique should you use to determine the chromosome number of a newly discovered species of flowering plant? a. Wholemount b. Smear c. Section d. Maceration e. Squasharrow_forwardAfter numerous herbaceous plants had their genomes sequenced, a woody plant finally joined the group, Populus trichocarpa (black cottonwood). Give and explain three reasons why this specific tree was chosen. Give and explain two reasons for the importance of adding a woody plant to the list of completed plant genome sequences.arrow_forward
- Trace the genetic steps in the development of a peanut plant that isresistant to insect larvae (table given). (Hint: You need to useAgrobacterium.)arrow_forwardWhich of the following statements about polyploidy is not correct O a. Wheat is a natural autoploid O b. Autopolyploids have mutiple copies of the same genome O C. Datura stramonium is a natural aneuploid O d. Aneuploidy plants have 1 or 2 chromosomes less or more from the normal chromosome set O e. Allopolyploids plants has genomes from different species Which medicinal plant is called Kaff Al Maryam in Arabic O a. Reichardia tingitana O b. Nerium oleande С. Caralluma aucheriana d. Rhazya stricta е. Anastatica hierochuntica Which of the following structure a mean of asexual propogation in plants O a. Tuber O b. Rhizome O C. Tiller O d. Sucker O e. Stolon When a body of water becomes overly enriched with minerals and nutrients which induce excessive growth of a O a. Water pollution Saponicationarrow_forwardYou are studying a plant with tissue comprising both green and white sectors. You wish to decide whether this phenomenon is due (1) to a chloroplast mutation of the type considered in this chapter or (2) to a dominant nuclear mutation that inhibits chlorophyll production and is present only in certain tissue layers of the plant as a mosaic. Outline the experimental approach that you would use to resolve this problem.arrow_forward
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