Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 4.6, Problem 2CC
WHAT IF? Males afflicted with Kartagener’s syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. Suggest what the underlying defect might be.
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Students have asked these similar questions
Draw a Punnett square. cross an XX woman with an XY man.
How many kinds of eggs can a woman produce in terms of their sex chromosomes?
How many kinds of sperm cells can men produce in terms of their sex chromosomes?
In any given fertilization event, what is the chance that a child will be XX? XY?
In any given fertilization event, what is the chance that a child will be male? Female?
vivo V20
male or female.
Remember that since most sex-linked traits are recessive, the person wno
shows the trait can have no X's with big superscripted letters. So, y a male
carries the trait, he must also show the trait.
XDY
XDXD
XªY
PXPX
Carrier? (Yes or No)
Has the Trait? (Yes or No)
Male or Female
Phenotype or Appearance
of the Individual
Guided Questions:
1. What chromosomes will result to a normal phenotype (normal spongy pore
trait)?
2. Do all individuals who have the spongy tiny pore allele show it in their physical
appearance? Why or why not?
3. Can males be a carrier of an X-linked recessive trait? How about females?
Explain.
4. What will be the sex of an individual who is easily affected by an X-linked
recessive trait? Why?.
The Y chromosome is missing this section
of the X chromosome. The lower sections
Males are at greater risk for inheriting
Explain comprehensively.
a. How does evolution play a role in meiosis and sexual reproduction?
b. Explain the importance of meiosis in spermatogenesis
Chapter 4 Solutions
Campbell Biology in Focus
Ch. 4.1 - Prob. 1CCCh. 4.1 - Prob. 2CCCh. 4.2 - Briefly describe the structure and function of the...Ch. 4.2 - Prob. 2CCCh. 4.3 - What role do ribosomes play in carrying out...Ch. 4.3 - Describe the molecular composition of nucleoli,...Ch. 4.3 - WHAT IF? As a cell begins the process of dividing,...Ch. 4.4 - Describe the structural and functional...Ch. 4.4 - Describe how transport vesicles integrate the...Ch. 4.4 - WHAT IF? Imagine a protein that functions in the...
Ch. 4.5 - Describe two characteristics shared by...Ch. 4.5 - Prob. 2CCCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - WHAT IF? Males afflicted with Kartageners syndrome...Ch. 4.7 - In what way are the cells of plants and animals...Ch. 4.7 - Prob. 2CCCh. 4.7 - MAKE CONNECTIONS The polypeptide chain that makes...Ch. 4.8 - Colpidium colpoda is a unicellular protist that...Ch. 4 - Which structure is not part of the endomembrane...Ch. 4 - Which structure is common to plant and animal...Ch. 4 - Which of the following is present in a prokaryotic...Ch. 4 - Cyanide binds to at least one molecule involved in...Ch. 4 - Which cell would be best for studying lysosomes?...Ch. 4 - DRAW IT From memory, draw two eukaryotic cells....Ch. 4 - SCIENTIFIC INQUIRY In studying micrographs of an...Ch. 4 - FOCUS ON EVOLUTION Compare different aspects of...Ch. 4 - FOCUS ON ORGANIZATION Considering some of the...Ch. 4 - Prob. 10TYU
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- WHAT IF? Propose a possible reason that the firstnaturally occurring mutant fruit fly Morgan sawinvolved a gene on a sex chromosome and was foundin a male.arrow_forwardQuestion: The disorder: Red-Green color blindness Explain the mode of inheritance of the disorder (recessive, dominant, x-linked, etc.) . Can a person be a carrier of this disorder? • Describe the probability of having a child with the disorder -- give a specific scenario (ex. both parents are heterozygous for the trait) • Describe the symptoms associated with this disorder Explain the prognosis of a person born with this disorderarrow_forwardPlease answer the question. I'll definitely give a like. Explain phenotypic plasticity in Daphnia and name all relevant factors. In addition, explain what type of graph can be displayed, what it shows, and how it is called.arrow_forward
- WHAT IF? Suppose this eye color gene were located on an autosome.Predict the phenotypes (including gender) of the F2 flies in this hypothetical cross.(Hint: Draw a Punnett square.)arrow_forwardHow would mutations that completely ablate the function of the androgen receptor impact the phenotypic development of humans with XY chromosomes? Patients would appear phenotypically female Patients would appear phenotypically male with underdeveloped secondary sex characteristics Patients would appear phenotypically male, but cannot produce sperm Patients would express both male and female secondary sex characteristics.arrow_forwardPlease answer fast compare and contrast gametogenesis in human males and females. How does this ensure that human genotype is maintained in normal humans. What possible variation can occur and what possible abnormalities will result from such?arrow_forward
- a. What are the physical differences and similarities in the reproduction systems of plants and animals? b. What is the difference of morphogenesis in plants and animals?arrow_forwardBased on Standard NGSS MS-LS3-2: Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation. In reference to the attached image, can you create a model that shows how it is possible that the twins ended up with such different traits yet have the same parents? Keeping in mind that the twins are a set of fraternal twins.arrow_forwardanswer exhaustively. Why is it important for the sperm in internally fertilizing animals to undergo acrosome reaction at the right time?arrow_forward
- Let's Check Activity 9. Let us try to check your understanding of the discussion. Read the questions carefully. Encircle the letter that corresponds to the correct answer. 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins A pair of monozygotic twins a and b 2. Regarding types of multiple pregnancy, which of the following are true? a. Dizygotic twins result from fertilization of different oocytes by the same sperm. b. Monozygotic twins result from mitotic division of a single zygote into 'identical' twins. c. Dizygotic twins result from the division of a single fertilized egg. d. Monozygotic twins result from 2 egg cells merged together, eventually fertilized by a sperm cell. 3. Fraternal twins make up approximately. of the twin population.arrow_forwardPlease help me answer this 4 questions. Thank you so much! 1. How many number of autosomes and sex chromosome are there in wolf-hirschhorn syndrome? 2. What syndrome is also called as criminal syndrome? 3. How many number of autosomes and sex chromosome are there in alagille syndrome? 4. What type of syndrome that has 45 autosomes and sex chromosome, the abnormality is numerical abnormality and sexual aneuploidy and the patient has a low life expectancy? (note: aside from turner's, patau, and down syndrome)arrow_forwardVISUALIZE Label the following diagram and explain what this diagram illustrates.arrow_forward
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