EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 20, Problem 10SQ
Summary Introduction
To match: Each term with their suitable description.
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Name the disorder with the following chromosome complement.(i) 22 pairs of autosomes + X X Y(ii) 22 pairs of autosomes + 21st chromosome + XY
Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial)
e.g. 47, XY, +14 = male with trisomy of chromosome 14
e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1
(partial increases or decreases to a single chromosome still have the same diploid number)
What is the notation for the following cases? (
A woman having Turner syndrome.
Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial)
e.g. 47, XY, +14 = male with trisomy of chromosome 14
e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1
(partial increases or decreases to a single chromosome still have the same diploid number)
What is the notation for the following case?
A man having Klinefelter syndrome and one Barr body.
Chapter 20 Solutions
EBK HUMAN BIOLOGY
Ch. 20 - Prob. 1RQCh. 20 - What is a carrier of a genetic trait?Ch. 20 - What evidence indicates that a trait is coded by a...Ch. 20 - Prob. 4RQCh. 20 - Explain what nondisjunction is, and give two...Ch. 20 - _______ segregate during ______. a. Homologues;...Ch. 20 - Prob. 2SQCh. 20 - Genes on the same chromosome tend to stay together...Ch. 20 - Prob. 4SQCh. 20 - A chromosomes structure can be altered by _______....
Ch. 20 - Nondisjunction can be caused by ________. a....Ch. 20 - A gamete affected by nondisjunction could have...Ch. 20 - Genetic disorders can be caused by __________. a....Ch. 20 - A person who is a carrier for a genetic trait...Ch. 20 - Prob. 10SQCh. 20 - If a couple has six boys, what is the probability...Ch. 20 - Human sex chromosomes are XX for females and XY...Ch. 20 - People with Down syndrome have an extra copy of...Ch. 20 - Prob. 4CTCh. 20 - Prob. 5CTCh. 20 - About 4 percent of people of Northern European...Ch. 20 - The following pedigree shows the pattern of...
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- Diploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY, +14 = male with trisomy of chromosome 14 e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1 (partial increases or decreases to a single chromosome still have the same diploid number) What is the notation for the following cases? ( A female having Edwards syndrome (trisomy 18)arrow_forwardDiploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY, +14 = male with trisomy of chromosome 14 e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1 (partial increases or decreases to a single chromosome still have the same diploid number) What is the notation for the following cases? ( A male infant having cri du chat syndrome.arrow_forwardDiploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY, +14 = male with trisomy of chromosome 14 e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1 (partial increases or decreases to a single chromosome still have the same diploid number) What is the notation for the following cases? ( A male having Patau syndrome (trisomy 13)arrow_forward
- B. A woman is a carrier of a Robertsonian translocation between chromosomes 18 and 21. (i) Her chromosome set with respect to chromosomes 18 and 21 would consist of which specific chromosomes. Please draw a DIAGRAM illustrating these chromosomes as they would appear in their unreplicated state, clearly labeling the chromosomes and the chromosome arms present. (ii) If this woman were to have a child with a man who possess a completely normal set of chromosomes, there are six different possible outcomes with respect to the combinations of chromosomes 18, 21, and Robertsonian translocation chromosome that could be present in their offspring. Please indicate the TYPES and NUMBERS of chromosomes of each type present in their potential offspring. You may label the chromosomes as follows: 18 (for chromosome 18), 21 (for chromosome 21) or 18/21 (for the Robertsonian translocation chromosome). Also, please indicate the specific genetic abnormality (if any) that would be present in…arrow_forwardDiploid Number of chromosomes, Sex Chromosomes, (+/- whole) Chromosome (+/- partial) e.g. 47, XY, +14 = male with trisomy of chromosome 14 e.g. 46, XX, 1q+ = female with a partial increase to the length of the long arm of chromosome 1 (partial increases or decreases to a single chromosome still have the same diploid number) What is the notation for the following case A boy having Down syndromearrow_forwardFor the following chromosome complements, what is the phenotypic sex of a person who has Q. XY with the SRY gene deleted?arrow_forward
- Assuming no other abnormalities, classify each of the following human sex chromosome complements as to whether or not individuals with that complement will be morphologically male or female. Three human sex chromosome complements will be classified as male and three will be classified as female. XXY XYY XXX XO XY XXarrow_forwardAn individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B • C D E F G A B • C D V W X R S • T U E F G R S • T U V W X Q. Draw the pairing arrangement of these chromosomes in prophase I of meiosis.arrow_forwardRice has a chromosome number of 2n = 24. If different aneuploids are available in rice, identifythe specific aneuploidy that shows the following chromosomal configurations at diakinesis ormetaphase I. Also provide the formula and chromosome number of the different aneuploids. Complete the table. Chromosome configuration at diakinesis or metaphase I Specific Type of Aneuploidy Formula (e.g. 2n+1) Chromosome number (2n=24) Types of gametes n, n+1, n+2, n-1, n-2) a. 1 III + 11 II b. 1 IV + 11 II c. 1 I + 11 II d. 11 II e. 2 I + 10 IIarrow_forward
- In a cell where 2n=20, nondisjunction of two pairs of chromosomes will results into what types of gametes? Identify the gametes by giving the equation and final chromosome number in the gamete.arrow_forwardGiven the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?arrow_forwardIdentify the type of chromosomal aberration described in each of the following cases: a. loss of a chromosome segment b. extra copies of a chromosome segment c. reversal in the order of a chromosome segment d. movement of a chromosome segment to another, nonhomologous chromosomearrow_forward
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