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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 10, Problem 11SQ
Summary Introduction
Introduction: Female mammal’s somatic cells consist of two X chromosomes that they inherit from their parents. Those two chromosomes are tightly condensed and thereby one of them will get inactivated. This condensed form of X chromosome is called as Barr body and the process of formation of Barr body is called as X chromosome inactivation. This is a normal process carried out in the body of female mammals to equalize the expression of the sex cells.
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Crossing over ____.
involves breakages and exchanges between sister chromatids on the same chromosome
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Why do males tend to inherit more sex-linked conditions than
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They have two Ychromosomes.
They have more chromosomes than females.
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Chapter 10 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Effect of Paternal Grandmother's Food Supply on...Ch. 10 - Gene expression does not vary by ___ . a. cell...Ch. 10 - Binding or ___ to ___ in DNA can increase the rate...Ch. 10 - Muscle cells differ from bone cells because they...Ch. 10 - Prob. 4SQCh. 10 - Mechanisms that govern gene expression do not...Ch. 10 - Prob. 6SQCh. 10 - Prob. 7SQ
Ch. 10 - Prob. 8SQCh. 10 - Which of the following includes all of the others?...Ch. 10 - Prob. 10SQCh. 10 - Prob. 11SQCh. 10 - A cell with a Barr body is ___ . a. a bacterium b....Ch. 10 - Prob. 13SQCh. 10 - Which of the following statements is incorrect? a....Ch. 10 - Prob. 15SQCh. 10 - Explain why somebut not allof an organism's genes...Ch. 10 - Do the same mechanisms that govern gene expression...Ch. 10 - Prob. 3CTCh. 10 - The photos below show flowers from two Arabidopsis...
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- The characteristic “X” shape of chromosomes is _____. a. a result of maximum compaction of the chromosome b. due to the wrapping of DNA around histones c. only evident during cell division d. indicative of a cell that is no longer dividing e. only found in the female sex chromosomearrow_forwardsperm of Panthera leo contains 19 chromosomes, which of the following is/are true about somatic cells? a. Panthera leo normally has 38 chromosomes in its body cells b. The Panthera leo cells normally contain 38 homologous chromosome pairs c. There are 38 sister chromatids per cell in G2 phase d. There are 76 sister chromatids per cell in G2 phase e. The somatic cell contains 38 sister chromatidsarrow_forward7arrow_forward
- Match the chromosome terms appropriately. ___ polyploid a. symptoms of a genetic ___ deletion disorder ___ aneuploidy b. chromosomal mashup ___ translocation c. extra sets of chromosomes ___ syndrome d. gets around ___ transposable e. chromosome loses a chunk element of DNA f. one extra chromosomearrow_forwardA reciprocal translocation between chromosomes9 and __ contributes to chronic myelogenous leukemia.arrow_forwardChromosome A 16. Would a mutation in the DNA of a skin cell be passed on to an organism's offspring? a. Yes, because any change to the DNA is passed on to the offspring b. Maybe. Sex cells only use half of the body's genetic code. It might get the copy of a gene that wasn't mutated. c. No. Only mutations that occur in the gametes (sex cells) are passed on to the offspring d. Without knowing the animal, it would be hard to tell whether or not the mutation would be passed on. 17 A cbe io four 4hon ito bo ug moto JWhioh hDo of mutation would thisarrow_forward
- 1. Genes in different chromosomes ______ during meiosis. Genes that are very close together in the same chromosome are ______. a. do not assort independently; linked b. do not assort independently; unrelated c. assort independently; linked d. assort independently; unrelated 2. Suppose that codons consisted of 4 nucleotides instead of 3 and that there were only 2 different bases. How many amino acids could be encoded by this variant of the genetic code?arrow_forwarddrag the letters to the corresponding boxesarrow_forwardGone X is responsible for cell poiteratian and when gene x is expressed, me cells divide e and go through Xhe henmau ceu cycie Wren is not present, proliferanan ends. a) what is oa dominant mutanon that can occur in have a dominant effect on celu proliferation? And wnere in genex waud me mutaion occur li.e.pomoter? ete) gene X gene x not uould b) what is a recessive mutation that can occur in ingene X that would have recessiue effect on prouperation and where in genex would the mutanon occur?arrow_forward
- pletion Status: A Moving another question will save this response. Question 6 When a cell has two complete sets of chromosomes, it is: O a. complete O b. triploid c. haploid O d. diploid O e. duplicated > A Moving to another question will save this response. -A:-T ENG 4) G Iarrow_forwardSt. Paul University Manila 18 Laboratory Manual in Anatomy and Physiology for Nursing and Psychology Students e. Anaphase d. Anaphase II 9. Sister chromatids of each duplicated chromosome end up at opposite spindle poles during a. Prophase I b. Prophase II c. Anaphase I d. Anaphase I Match each term with its description. D chromosome number A alleles T metaphase I Binterphase a. Different molecular forms of the same gene b. None between meiosis I, II c. All the chromosomes aligned at spindle equator d. All 1osomes of a given type Review Questions: 1. Why can we expect meiosis to give rise to genctic differences between parent cells and their daughter cells in fewer generations than mitosis? 2. Two examples of chemotherapcutic drugs (drugs used to treat cancer) and their cellular actions are listed below. Explain why cach drug could be fatal to a cell. Vincristine: damages the mitotic spindle a. b. Adriamycin: binds to DNA and blocks mRNA synthesis GCash S496 270arrow_forwardMATCHING TYPEarrow_forward
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