Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1.2, Problem 2COMQ
Variation in the traits of organisms may be attributable to
a. gene mutations.
b. alterations in chromosome structure.
c. variation in chromosome number.
d. all of the above.
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Students have asked these similar questions
Which of the following is correct regarding polytene chromosomes?
options:
A.
Exposure to a sublethal dose of X-rays causes spontaneous mutations.
B.
Polytene chromosomes have been useful to observe specific bands correlated with individual genes.
C. Both A and B
D. None of the above
Locus heterogeneity refers to a genetic disorder thata. has a heterogeneous phenotype.b. is caused by mutations in two or more different genes.c. involves a structural change in multiple chromosomes.d. is inherited from both parents.
In an organism’s genome, autosomes are
a. the chromosomes that differ between the sexes.
b. chromosomes that are involved in sex determination.
c. only inherited from the mother (maternal inheritance).
d. all of the chromosomes other than sex chromosomes
Chapter 1 Solutions
Genetics: Analysis and Principles
Ch. 1.1 - 1. Which of the following is not a constituent of...Ch. 1.1 - 2. A gene is a segment of DNA that has the...Ch. 1.1 - The function of the genetic code is to a. promote...Ch. 1.1 - The process of transcription directly results in...Ch. 1.2 - Gene expression can be viewed at which of the...Ch. 1.2 - 2. Variation in the traits of organisms may be...Ch. 1.2 - 3. A human skin cell has 46 chromosomes. A human...Ch. 1.2 - 4. Evolutionary change caused by natural selection...Ch. 1.3 - Which of the following is not a model organism? a....Ch. 1.3 - A person studying the rate of transcription of a...
Ch. 1.4 - The scientific method involves which of the...Ch. 1 - Pick any example of a genetic technology and...Ch. 1 - Prob. 2CONQCh. 1 - Most genes encode proteins. Explain how the...Ch. 1 - Prob. 4CONQCh. 1 - Prob. 5CONQCh. 1 - Prob. 6CONQCh. 1 - Prob. 7CONQCh. 1 - Your textbook describes how the detrimental...Ch. 1 - Prob. 9CONQCh. 1 - Prob. 10CONQCh. 1 - Prob. 11CONQCh. 1 - Prob. 12CONQCh. 1 - 13. With regard to biological evolution, which of...Ch. 1 - 14. What are the primary interests of researchers...Ch. 1 - What is a genetic cross?Ch. 1 - Prob. 2EQCh. 1 - Prob. 3EQCh. 1 - 4. Many organisms are studied by geneticists. Do...Ch. 1 - Prob. 5EQ
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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
- When the chromosomes of closely related species are compared, a. the banding patterns are often similar. b. a few structural alterations may be seen. c. a change in chromosome number may be seen. d. all of the above are commonly observed.arrow_forwardWhich of the following is not true of a single nucleotide polymorphism?a. It is usually caused by a translocation mutation.b. It is usually caused by a nucleotide substitutionmutation.c. It may change the phenotype of an organism.d. It is inherited from parent to offspring.arrow_forwardA change in chromosome structure that does not involve a change in the total amount of genetic material is?a. a deletion. b. a duplication. c. an inversion.d. none of the above.arrow_forward
- Which of the following statements regarding the Y chromosome in mammals is TRUE?A. The Y chromosome is less than half the size of the X chromosome.B.Y chromosomes are most often present in egg cells and are not found in sperm cells. C.Most female mammals have one Y chromosome. D. The Y chromosome contains no protein-coding genes.arrow_forwardCompare and contrast the following terms: a. Eukaryotic and prokaryotic cells b. Gene and allele c. Genotype and phenotype d. DNA and RNA e. DNA and chromosomearrow_forwardWhich of the following statements about molecular markersare true?A. All molecular markers are segments of DNA that carryspecific genes.B. A molecular marker is a segment of DNA that is found at aspecific location in a genome.C. We can follow the transmission of a molecular marker byanalyzing the phenotype (i.e., the physical characteristics)of offspring.D. We can follow the transmission of molecular markers usingmolecular techniques such as gel electrophoresis.E. An STS is a molecular marker.arrow_forward
- Locus heterogeneity means that a genetic disordera. has a heterogeneous phenotype.b. is caused by mutations in two or more different genes.c. involves a structural change in multiple chromosomes.d. is inherited from both parentsarrow_forwardWhich of the following may be detected using a karyotype?a. point mutationsb. a specific genetic markerc. an abnormal number of chromosomesd. the location of a transposonarrow_forwardA nerve cell and a skin cell from the same person have Group of answer choices A. different gene expression B. different versions of genes C. same gene expression D. none of the above E. different genesarrow_forward
- Which of the following are not responsible for increasing genetic diversity in an organism? Select one: O a. Independent assortment b. Random pairing of gametes c. DNA replication d. Crossing over O e. None of the abovearrow_forwardWhich of the following would not be consistent with the ideathat a disorder has a genetic component?a. The disorder is more likely to occur among an affectedperson’s relatives than in the general population.b. The disorder can spread to individuals sharing similarenvironments.c. The disorder tends to develop at a characteristic age.d. A correlation is observed between the disorder and amutant gene.arrow_forwardTo map the distance between molecular markers via testcrosses,the markers must bea. polymorphic. c. fluorescently labeled.b. monomorphic. d. on different chromosomes.arrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY