Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 14, Problem 1SQ
Summary Introduction
Introduction: A pedigree depicts the interrelationships between parents and offspring over generations for a particular trait. It is also referred to as a family tree. Individuals and relations are denoted by symbols and lines. It contributes in predicting the occurrence of that particular trait in future generations through inheritance patterns and genotyping the individuals.
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An organism that has two different alleles for a single trait is said to be
for that trait.
Select one:
O
O
O
a. heterologous
b. heterozygous
c. homozygous
d. haploid
e. diploid
Which of the following statements is INCORRECT?
Mitosis is a conservative mechanism that preserves the genetic status quo.
Meiosis is a special type of cellular division that occurs in gametes.
After mitosis, two identical 2n daughter cells are produced.
After meiosis I, four n daughter cells are produced.
Genetic recombination or diversity is a feature of __________.
A.
Meiosis I
C.
Mitosis
B.
Meiosis II
D.
Choices A, B, and C are correct.
The following are cellular events during prophase I, EXCEPT:
A.
Chromatin condensation
C.
Crossing-over
B.
Synapsis
D.
Paired homologs attach to spindle fibers.
Which of the following statements refers to synapsis?
It is the pairing of homologous chromosomes during meiosis.
It is the alignment of chromosomes on the equatorial plate.
It is the exchange of parts between non-sister chromatids.
It represents the sites where crossing-over occurred.
Which of the following events below…
In addition to DNA swapping, another contributor to the uniqueness of eggs/sperm and people is ____________ that happens in _______________.
A.
mutations in DNA; reproductive tissues at puberty
B.
DNA replication errors; Interphase
C.
random lining up of chromosomes across the middle of the cell; Metaphase
D.
decondensing of chromosomes; interkinesis and cytokinesis
Chapter 14 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 14 - Prob. 1DAACh. 14 - Prob. 2DAACh. 14 - Prob. 3DAACh. 14 - Prob. 4DAACh. 14 - Prob. 5DAACh. 14 - Prob. 1SQCh. 14 - Pedigree analysis is necessary when studying human...Ch. 14 - A recognized set of symptoms that characterize a...Ch. 14 - Prob. 4SQCh. 14 - A trait that is present in a male child but not in...
Ch. 14 - Choose the statement that is incorrect. a. A son...Ch. 14 - Prob. 7SQCh. 14 - Prob. 8SQCh. 14 - Klinefelter syndrome (XXY) can most be easily...Ch. 14 - Prob. 10SQCh. 14 - Does the phenotype indicated by the red circles...Ch. 14 - G6PD deficiency is an X-Linked recessive disorder....Ch. 14 - Marian syndrome (Section 13.5) is inherited in an...Ch. 14 - Duchenne muscular dystrophy, which is inherited in...Ch. 14 - Human females have two X chromosomes (XX); males...Ch. 14 - A mutation on an autosome causes a particular...Ch. 14 - Expression of the SRY gene on the Y chromosome...Ch. 14 - The somatic cells of most individuals with Down...Ch. 14 - Mutations in the genes for clotting factor VIII...
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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
- Below is a pedigree of a family in which all the people in generation II are dead (indicated with a slash) because of political unrest in their country. Which children in generation III could be traced to the grandmother in this pedigree by using only mitochondrial DNA sequences? a. A and D b. A, B, and C c. A, B, C, D, and E d. B, C, and Earrow_forwardEven though the processes are very similar, mitosis and meiosis are two very distinct processes. What is the difference between meiosis and mitosis? a. Mitosis results in two identical sister cells genetically identical to the original parent cell, while meiosis also starts with diploid but results in haploid cells. b. Mitosis only occurs in plants and single cell organisms, while meiosis only occurs in animals. c. Mitosis starts with diploid but results in haploid cells, while meiosis results in two identical sister cells genetically identical to the original parent cell.arrow_forwardWhen two genes are genetically “linked”, gametes produced during meiosis will usually contain allele combinations that mimic the way the alleles were placed on the parent cell’s chromosomes unless what process successfully occurs? Select one: a. Disjunction b. Self-fertilization c. Crossing over/recombination d. Aneuploidyarrow_forward
- What is it called when chromosomes fail to separate properly during meiosis? A. Nondisjunction B. Karyotype C. Chromosomal separation failure D. Inappropriate separation E. Karyokinesisarrow_forwardHumans produce skin cells by mitosis and gametes by meiosis. Which of the following statements about the nuclei of skin cells is correct? a. They contain half as much DNA as the nuclei of gametes produced by meiosis. b. They contain four times as much DNA as the nuclei of gametes produced by meiosis. c. They contain the same amount of DNA as the nuclei of gametes produced by meiosis. d. They contain twice as much DNA as the nuclei of gametes produced by meiosis.arrow_forwardWhat word below best describes the orientation of maternal relative to paternal chromatids of each bivalent chromosome at the metaphase plate in Meiosis I? A. ordered B. random C. elastic D. organizedarrow_forward
- ________is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. In vitro fertilizationarrow_forwardThe expression of a trait, such as brown or black coat color in a guinea pig is known as the organism's: a. gene linkage b. gene pool O c. phenotype Od. genotype O e. allelesarrow_forwardGive a clear explanation answer....no need handwritten ...arrow_forward
- If the allele encoding polydactyly (six fingers) is dominant why do most people have five fingers? a. Genetic elements suppress the polydactyl gene. b. Polydactyly is embryonic lethal. c. The sixth finger is removed at birth. d. The polydactyl allele is very rare in the human population.arrow_forwardThe image below shows chromosomes from a human cell. Use the diagram to answer the questions. A. Name the technique used to obtain the data. B. Is this individual a male or a female? Explain your answer. C. What genetic disorder does this individual have? How do you know? 《ㄍ 15 。 12 13 14 15 16 17 10 20 21 22arrow_forwardThe following image shows one specific stage of meiosis. Which of the following correctly states what is occurring in this stage? A. Microtubules have begun to pull sister chromatids apart, pulling them toward the poles of the cells. There are two cells at this stage. B. Microtubules have begun to pull homologous chromosomes apart, pulling them toward the poles of the cell. There is only one cell at this stage. C. Microtubules have attached to the chromosomes. Homologous chromosomes are aligned at the midpoint of the cell. There is only one cell at this stage. D. The chromosomes have reached the poles of the cell. There are technically two cells, but cytokinesis has begun in each.arrow_forward
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