he BEA Vhich of the following is/are matched CORRECTLY? Tullisomy is 2n+2. 3. Honosomy is 2n-1. 4. Tetrasomy is 2n-2. Trisomy is 2n+1. hoices 1, 2, and 3 are correct. hoices 1 and 3 are correct. D. C. Choices Only choice 4 is c• Vhich of the following statements is INCORRECT?
he BEA Vhich of the following is/are matched CORRECTLY? Tullisomy is 2n+2. 3. Honosomy is 2n-1. 4. Tetrasomy is 2n-2. Trisomy is 2n+1. hoices 1, 2, and 3 are correct. hoices 1 and 3 are correct. D. C. Choices Only choice 4 is c• Vhich of the following statements is INCORRECT?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:MULTIPLE CHOICE: Select the BEST ANSWER for each item by ENCIRCLING THE LETTER corresponding to the best choice.
14.
Which of the following is/are matched CORRECTLY?
Nullisomy is 2n+2. 3.
Monosomy is 2n-1. 4.
Tetrasomy is 2n-2.
Trisomy is 2n+1.
1.
2.
Choices 1, 2, and 3 are correct.
Choices 1 and 3 are correct. D.
А.
С.
Choices 2 and
are correct.
B.
Only choice 4 is correct.
15.
Which of the following statements is INCORRECT?
Stature of individuals with Turner or Klinefelter syndrome is due in part to abnormal dosage of the SHOX gene in somatic cells.
Infertility of individuals with Turner or Klinefelter syndrome is likely due to abnormal dosage of X-linked genes outside the PAR regions.
If nondisjunction of homologous chromosomes occurred during meiosis I, two of the resulting haploid gametes will carry both homologs
and two will carry neither.
If meiotic nondisjunction occurred during meiosis II, all four resulting gametes will be aneuploid.
A.
В.
С.
D.
16.
The most commonly detected trisomy in spontaneous abortus tissue but is not reported in liveborn individuals is
Trisomy 21
Trisomy 18
Trisomy 16
Trisomy 13
A.
С.
В.
D.
17.
Trisomy 18
47,XX,+18
Edwards syndrome 4.
1.
3.
47,XY,+18
2.
Patau syndrome
А.
Choices 1, 2, and 3 are correct.
Choices 1 and 3 are correct. D.
С.
Choices 2 and
are correct.
В.
Only choice 4 is correct.
18.
Which of the following is/are correctly matched?
XO - Turner syndrome
XXY – Klinefelter syndrome 4.
XYY - Jacobs syndrome
XXX - supernumerary female
1.
3.
2.
1 and 3 only
2 and 4 only
A.
C.
1, 2, and 3
1, 2, 3, and 4
В.
D.
19.
The most common genetic or chromosomal cause of male infertility is
Klinefelter syndrome
Jacobs syndrome D.
A.
С.
Turner syndrome
В.
XXYY syndrome
20.
Which of the following statements is NOT TRUE of Down syndrome?
Increased risk of Down syndrome correlates to maternal age, but not to the number of children in the family.
47,XX,+21, 47,XY,+21, or t(14q:21q)
Nondisjunction events that give rise to Down syndrome occur much more frequently in fathers than in mother.
In genome editing, the insertion of the XIST gene to the extra chromosome 21 shuts off this chromosome, forming a Barr body.
A.
В.
С.
D.
21.
Which of the following statements is INCORRECT?
Euploidy refers to variation in number of chromosome sets.
A monoploid organism only has one set of chromosomes.
In human triploidy, 3x is not equal to 3n.
Polyploids in humans are nearly always lethal.
A.
В.
С.
D.
Page 7 of 8
Transcribed Image Text:For questions 22 through 30, please refer to the pictures below:
Normal
A
A
B
B
B
D.
D
D
D
D'
E'
22
23
24
B
...
G
D
M.
H
B
25
26
27
28
B
A
Break
through
centromere
---
B
D
A
D
E
29
30
Identify the type of chromosomal aberration in each number above. Please refer to the choices below.
Terminal deletion
Reciprocal translocation
Interstitial deletion
Robertsonian translocation
Duplication
Isochromosome
Ring chromosome
Marker chromosome
Pericentric inversion
Paracentric inversion
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