Biology: Concepts and Investigations (Looseleaf) - Text (Custom)
3rd Edition
ISBN: 9781259333101
Author: Hoefnagels
Publisher: MCG
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Chapter 10, Problem 10MCQ
Summary Introduction
Introduction:
The female carries two X chromosomes whereas male carry one X chromosome. Thus, the presence of two X chromosomes result in the formation of double amount of protein associated with protein which may result in disease. Thus, the inactivation of one X chromosome in female is necessary. This phenomena is known as dosage compensation.
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Why are multiple copies of the X chromosome tolerated?
A.
Genes on the X chromosome are not expressed during development.
B.
The extra copies of the X chromosome are inactivated.
C.
There are no genes on the X chromosome that are detrimental when present in multiple copies
D.
The X chromosome only encodes sex related genes
Describe the process of X-chromosome inactivation in mammals
Why are males more prone to having x-linked recessive disorders?a. Because the y chromosome is smaller than the x chromosome.
b. Because the y chromosome is weaker than the X chromosome
c. Because there is a chromosome that will inhibit the eexpression of the defective gene.
d. Because there is no other chromosome that will mask the other defective chromosome
Chapter 10 Solutions
Biology: Concepts and Investigations (Looseleaf) - Text (Custom)
Ch. 10.1 - Describe the relationships among chromosomes, DNA,...Ch. 10.1 - Prob. 2MCCh. 10.2 - Why did Gregor Mendel choose pea plants as his...Ch. 10.2 - Distinguish between dominant and recessive;...Ch. 10.2 - Prob. 3MCCh. 10.3 - What is a monohybrid cross, and what are the...Ch. 10.3 - How are Punnett squares helpful in following...Ch. 10.3 - Prob. 3MCCh. 10.3 - How does the law of segregation reflect the events...Ch. 10.4 - Prob. 1MC
Ch. 10.4 - Prob. 2MCCh. 10.4 - How can the product rule be used to predict the...Ch. 10.5 - How do patterns of inheritance differ for unlinked...Ch. 10.5 - What is the difference between recombinant and...Ch. 10.5 - Prob. 3MCCh. 10.6 - Prob. 1MCCh. 10.6 - Differentiate between pleiotropy and epistasis.Ch. 10.6 - How can the same phenotype stem from many...Ch. 10.6 - 4. How can epistasis decrease the number of...Ch. 10.7 - Prob. 1MCCh. 10.7 - Prob. 2MCCh. 10.7 - Why do males and females express recessive...Ch. 10.7 - Prob. 4MCCh. 10.8 - How are pedigrees helpful in determining a...Ch. 10.8 - 2. How do the pedigrees differ for autosomal...Ch. 10.9 - Prob. 1MCCh. 10.9 - Prob. 2MCCh. 10.10 - Prob. 1MCCh. 10.10 - Prob. 2MCCh. 10 - In the list of four terms below, which term is the...Ch. 10 - According to Mendel, if an individual is...Ch. 10 - Prob. 3MCQCh. 10 - Each letter below represents an allele. Which of...Ch. 10 - Which of the following is a possible gamete for an...Ch. 10 - Use the product rule to determine the chance of...Ch. 10 - Refer to the linkage map in figure 10.16b. A...Ch. 10 - Prob. 8MCQCh. 10 - Prob. 9MCQCh. 10 - Prob. 10MCQCh. 10 - 1. What advantages do pea plants and fruit flies...Ch. 10 - Some people compare a homologous pair of...Ch. 10 - Prob. 3WIOCh. 10 - How did Mendel use evidence from monohybrid and...Ch. 10 - Prob. 5WIOCh. 10 - Prob. 6WIOCh. 10 - Prob. 7WIOCh. 10 - Prob. 8WIOCh. 10 - Prob. 9WIOCh. 10 - Prob. 10WIOCh. 10 - Prob. 11WIOCh. 10 - Prob. 12WIOCh. 10 - A family has an X-linked dominant form of...Ch. 10 - X inactivation explains the large color patches in...Ch. 10 - Prob. 15WIOCh. 10 - Prob. 16WIOCh. 10 - Prob. 17WIOCh. 10 - Design an experiment using twins to determine the...Ch. 10 - Prob. 1GPCh. 10 - In Mexican hairless dogs, a dominant allele...Ch. 10 - A species of ornamental fish comes in two colors;...Ch. 10 - Two lizards have green skin and large dewlaps...Ch. 10 - Prob. 5GPCh. 10 - Prob. 6GPCh. 10 - Prob. 7GPCh. 10 - Prob. 8GPCh. 10 - Prob. 9GPCh. 10 - Prob. 1PITCh. 10 - Explain the effects of a mutation, using allele,...Ch. 10 - 3. Add meiosis, gametes, incomplete dominance,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain how X-chromosome inactivation may affect thephenotype of female mammalsarrow_forwardDescribe how X-linked traits are inherited and explain how X-linked inheritance is different from simple dominance inheritancearrow_forwardWhat mechanism do mammals use to compensate for the difference in X chromosome numbers in females versus males?arrow_forward
- What is Epistasis? A) When one gene effect another B) When one gene effect multiple phenotype C) When one gene causes another gene to mutatearrow_forwardExplain the process of X-Chromosome Inactivation in Mammalian Females.arrow_forwardAccording to the Lyon hypothesis,a. one of the X chromosomes is converted to a Barr body insomatic cells of female mammals.b. one of the X chromosomes is converted to a Barr body in allcells of female mammals.c. both of the X chromosomes are converted to Barr bodies insomatic cells of female mammals.d. both of the X chromosomes are converted to Barr bodies inall cells of female mammals.arrow_forward
- how meiosis and fertilization can result in a trait not expressed in both parents being expressed in their offspring ?arrow_forwardcross a wild female with a male that has white eyes and a tan body. recall from the exercise that both of these traits are x-linked traits.arrow_forwardWhat is a Calico Cat? and How does one of these cats look and What has happened to their X chromosomes to make them look that way.arrow_forward
- What are X-linked traits?arrow_forwardA. How does the structure of a Barr body affect gene expression? B. Color-blindness is an X-linked recessive trait. Heterozygous females are not color blind but they can sometimes have partial color blindness. Explain how this can occur.arrow_forwardYou are interested in the expression of regions of the X chromosome at different times in human fetal development. You hypothesize that large regions of the X chromosomes will be expressed at times when parts of the reproductive organs are developing. What structural and chemical characteristics of the X chromosome might you look at over time to determine when expression of genes on the X chromosome is enhanced or repressed?arrow_forward
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