Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 15, Problem 12TYK
Summary Introduction
Introduction: Chromosomes are the large molecules of genes or DNA. The necessary information for every character of an organism is contained in the DNA. Combinations of thousands of theses genetic molecules control the traits of an organism. During cell division, every DNA molecule synthesizes the exact copies of it, and hence information is passed further to daughter cells.
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Chapter 15 Solutions
Study Guide for Campbell Biology
Ch. 15 - Complete the following summary of Morgans crosses...Ch. 15 - Two normal color-sighted individuals have two...Ch. 15 - In a testcross between a heterozygote tall,...Ch. 15 - With unlinked genes, an equal number of parental...Ch. 15 - The following recombination frequencies have been...Ch. 15 - a. What is the difference between an organism with...Ch. 15 - Prob. 7IQCh. 15 - Prob. 8IQCh. 15 - Mendels law of independent assortment applies to...Ch. 15 - You have found a new mutant phenotype in fruit...
Ch. 15 - Prob. 3SYKCh. 15 - Prob. 4SYKCh. 15 - Thomas Hunt Morgan firmly established the location...Ch. 15 - Prob. 2TYKCh. 15 - Sex-linked traits a. are coded for by genes...Ch. 15 - Prob. 4TYKCh. 15 - Prob. 5TYKCh. 15 - Prob. 6TYKCh. 15 - Prob. 7TYKCh. 15 - Prob. 8TYKCh. 15 - Prob. 9TYKCh. 15 - Prob. 10TYKCh. 15 - Consider three genes on the X chromosome: A, B,...Ch. 15 - Prob. 12TYKCh. 15 - Genomic imprinting a. explains cases in which the...Ch. 15 - Prob. 14TYKCh. 15 - Prob. 15TYKCh. 15 - Suppose that alleles for an X-linked character for...Ch. 15 - Some girls who fail to undergo puberty are found...Ch. 15 - Prob. 18TYKCh. 15 - The genetic event that results in Turner syndrome...Ch. 15 - Prob. 20TYKCh. 15 - Prob. 1GPCh. 15 - Prob. 2GPCh. 15 - Prob. 3GPCh. 15 - Prob. 4GPCh. 15 - Prob. 5GPCh. 15 - Red-green color blindness is caused by a...
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- For items 1-10, refer to the choices below: a. Williams Syndrome b. Cri-Du-Chat Syndrome c. Pallister-Killian Syndrome d. Wolf-Hirschhorn Syndrome 1. Caused by a deletion in chromosome 5. 2. Has bulging, wide-set eyes. 3. Has hypertelorism. 4. Caused by an isochromosome. 5. Caused by the deletion of multiple genes on chromosome 7. 6. About 30% of the people with this disorder are autistic. 7. They have an elf-like face. 8. Has a high chance of having scoliosis. 9. White starburst pattern around the irisarrow_forwardWhich of the following is associated with chemical modifications to chromosomes that label alleles as coming from the mother or father? a. Multiple alleles b. Extranuclear inheritance c. Epigenetic marks d. Small non coding RNAsarrow_forwardFor questions 10–13, match the chromosomal mutation to its description in the key. Key: a. turned-up nose, wide mouth, small chin, large ears, poor academic skills, excellent verbal and musical abilities, prematurely aging cardiovascular system b. deletion in chromosome 5 c. poor muscle tone, mental impairment, seizures, curved spine, autistic characteristics, poor speech, hand flapping, lack of eye contact d. translocation between chromosomes 2 and 20 10. Alagille syndrome 11. Inv dup 15 syndrome 12. Williams syndrome 13. Cri du chat syndromearrow_forward
- A young man went to the doctor because he had small testes and enlarged breasts. Through chromosomal testing, it was determined that this young man had the sex chromosomes XXY. Identify the syndrome with which this young man was MOST likely diagnosed. A. Turner syndrome B. Klinefelter syndrome C. Cri du Chat syndrome D. Down syndromearrow_forwardIn which of the following is genetic material moved betweennonhomologous chromosomes?a. insertion d. translocationb. nondisjunction e. inversionc. deletionarrow_forwardChange in chromosome numbers will lead to abnormalities. Which of the following is a correct match between the chromosome number and the syndrome? A. Trisomy 18 : Patau syndrome B. Monosomy 18 : Turner syndrome C. XXXY : Klinefelter syndrome D. Trisomy 21 : Edward syndromearrow_forward
- Why are individuals with an extra chromosome 21, that causes Down syndrome, more numerous than individuals with an extrachromosome 3 or chromosome 16? A.] There are probably more genes on chromosome 21 than on the others B.] Chromosome 21 is a sex chromosome and chromosomes 3 and 16 are not C.] Down syndrome is not more common, just more serious D.] Extra copies of the other chromosomes are probably fatalarrow_forwardPossible options include: A. Pericentric inversion B. Chromosome duplication C. Trisomy D. Robertsonian translocationarrow_forwarda. What is the diploid number of chromosomes for a human? b. What is the haploid number of chromosomes for a human? Which cells are considered diploid, gametes or somatic cells? C. d. Which cells are considered haploid, gametes or somatic cells?arrow_forward
- A patient has mental deficiency, a short stature, and the mongolian type of the eyelid fold. The microscopical examination of the patient's karyotype revealed the presence of trisomy on the 21-st chromosome. What do we call the disease which is caused by this chromosomal abnormality? Select one: a. Down's syndrome. b. Klinefelter's syndrome. O c. Turner's syndrome. d. Edward's syndrome. e. Patau syndrome.arrow_forwardExamination of a karyotype reveals 23 pairs of chromosomes, with each homologous pair illustrating similar size and centromere location. Which of the following can be concluded from this karyotype?a. The individual has Down syndrome.b. The individual is a female.c. The individual does not have cystic fibrosis.d. The individual does not have sickle-cell anemia.arrow_forwardWhich types of chromosome mutations a. increase the amount of genetic material in a particular chromosome? b. increase the amount of genetic material in all chromosomes? c. decrease the amount of genetic material in a particular chromosome? d. change the position of DNA sequences in a single chromosome without changing the amount of genetic material? e. move DNA from one chromosome to a nonhomologous chromosome?arrow_forward
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