Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 38, Problem 6IQ
- a. What is an advantage of apomixis?
- b. What is “selfing,” and why might it be a desirable trait?
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Monozygotic twins:
Question 2 options:
a)
Share 50% of their genetic material and if one twin has schizophrenia the risk of the other having the illness if 40-50%
b)
Share 100% of their genetic material and if one twin has schizophrenia, the risk of the other having schizophrenia is 10-15%
c)
Share 100% of their genetic material and if one twin has schizophrenia, the risk of the other having schizophrenia is 40-50%
d)
Share 50% of their genetic material and if one twin has schizophrenia the risk of the other having the illness is 10-15%
*
b. Briefly explain how the use of this molecule (CA1P) disrupts both stages of photosynthesis while the
Rubisco enzyme is associated with only one stage.
Codule 3: The principles of heredity
1. Let's take the example of the gray kangaroo (Macropus fuliginosus) whose ploidy is 8 and the sexual determinism
of this species is carried out according to the XY mode. From a male kangaroo:
a) Draw the karyotype of this individual, obtained by stopping division at metaphase. Your drawing should
include:
a. All maternal and paternal chromosomes involved (different colors)
b. An example of autosome and heterochromosome
c. An example of homologous chromosome, sister chromatid and centromere.
d. The total number of chromosomes in a metaphase kangaroo cell.
e. A sentence to explain the difference between the terms gene and allele that might apply to this
species.
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Please answer the following questions for me: 1 Why is it important to determine whether or not genes that provides insecticide and fungi resistance may be transferred to wild sunflowers?
2. What factors would you measure (response, or dependent varibles)?
3. Fitness can be measured as a seed set (seed production) Why is it important to measure as seed production?
4. Cultivated sunflowers have one stem that produces one single large flower head, while wild flowers have many branches that produce many flowers. Why is it important to measure branching pattern (number of branches produced by F1 plants, backcrosses and wild type sunflowers?
5. Why is it important to include blackcrosses in the exeriment?
Chapter 38 Solutions
Study Guide for Campbell Biology
Ch. 38 - Identify the flower parts in the following...Ch. 38 - a. Describe the male gametophyte. b. Describe the...Ch. 38 - Label the parts in the following diagrams of a...Ch. 38 - Prob. 4IQCh. 38 - a. List some ways in which fruits aid in seed...Ch. 38 - a. What is an advantage of apomixis? b. What is...Ch. 38 - How are vegetative reproduction and...Ch. 38 - Biofuels are considered carbon neutral, even...Ch. 38 - Draw a diagram of the major events in the life...Ch. 38 - List the advantages and disadvantages of sexual...
Ch. 38 - List some of the potential benefits and dangers of...Ch. 38 - ________ structure from which fruit typically...Ch. 38 - ________ generation that produces spores by...Ch. 38 - Prob. 3TYKFCh. 38 - Prob. 4TYKFCh. 38 - Prob. 5TYKFCh. 38 - Prob. 6TYKFCh. 38 - Prob. 7TYKFCh. 38 - Prob. 8TYKFCh. 38 - Prob. 9TYKFCh. 38 - Prob. 10TYKFCh. 38 - A flower on a dioecious plant is a. complete. b....Ch. 38 - Prob. 2TYKCh. 38 - Double fertilization involves fusion of sperm...Ch. 38 - The terminal cell of an early plant embryo a....Ch. 38 - Prob. 5TYKCh. 38 - Prob. 6TYKCh. 38 - Prob. 7TYKCh. 38 - Which of the following structures protects a bean...Ch. 38 - Prob. 9TYKCh. 38 - Prob. 10TYKCh. 38 - Prob. 11TYKCh. 38 - Which of the following statements is false? a....Ch. 38 - Prob. 13TYKCh. 38 - Prob. 14TYKCh. 38 - Prob. 15TYKCh. 38 - Prob. 16TYKCh. 38 - Which of the following techniques is being...
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- What are alleles? If tall (T) plants are dominant over short(t) plants, what would the alleles and phenotypes be forhomozygous dominant, heterozygous, and homozygousrecessive?arrow_forwarda. b. C. Use the following information to answer the next question d. Green-blue-brown eye colour The biochemistry of eye colour is not completely understood. Part of an explanation for eye colour may be the interaction of the products of three different alleles. The green allele is dominant to blue. The brown allele is also dominant to blue. The green is expressed only in the absence of a brown allele. Red-green colour blindness Red-green colour blindness results from a mutation of an X-linked gene. A mutation in the gene causes red-green colour blindness (Xb), the inability to distinguish between red and green. The X allele is recessive. Generation I II III Legend: B brown eye colour allele b-blue eye colour allele G green eye colour allele Xcb colour-blindness allele X normal vision allele If individual 1 has blue eyes, genotypes of her parents could be Select one: A Pedigree Indicating Colour Blindness in a Family Mother Father mother XXcbGb, father XcbYBB mother XXcbGb, father…arrow_forwardWhat is the idea that parental traits become mixed and forever changed in offspring?arrow_forward
- Describe what sexual dimorphism is and why its existence is puzzling.arrow_forwardDescribe three ways variation can be introduced into offspring produced by sexual reproduction.arrow_forwardDetermine what traits and in what proportion would the offspring be in the following cases (with and without assortment)arrow_forward
- CRCR (red flowers); CRCW (pink flowers); CWCW (white flowers); F (full leaves) > f (slender leaves); H (heat tolerant) > h (vulnerable to heat) G*G? (green leaves); GʻG? (green and yellow leaves); G?G² (yellow leaves) CRCR Ff Hh G1G1 x CRCW Ff hh GʻG? Box 1: Which trait displays incomplete dominance? Box 2: What is the PHENOTYPE of the second parent in the cross? Box 3: What is the probability of having an offspring which is completely HETEROZYGOUS? Show your work by listing the fractions and how you would determine the answer (add, subtract, divide, multiply, etc).arrow_forwardAmong the following patterns, which is likely to represent the phenomenon of senescence? Please note that the x-axis represents the age and the y-axis the number of offspring (the solid lines) or the probability of survival (the dashed lines). (A) (B) (C) (D) O A B None of the abovearrow_forwardWhat is fitness concerned with a particulargenotype ?arrow_forward
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