2SQ1 Flashcards
dup17p11.2
Sub band - 1 (Potocki Lupski)
basta yung picture sumama chromosomes s isang pole imbis n maghiwalay
Nondisjunction
Which of these scientists provided proof of this concept of the process previously identified (Nondisjunction)
a.) Sutton
b.) Bovari
c.) Bridges
d.) Hunt-Morgan
c.) Bridges
Odd man out, choose which one is not part of the group in terms of the biochemistry of this structure:
a.) DNA
b.) Scaffold
c.) Histone
d.) CSPs Chromosomes - All others are proteins
a.) DNA
These structure (karyotype) consist of:
a.) DNA
b.) RNA
c.) Protein
d.) All of the above
d.) All of the above
Which of the following is NOT TRUE regarding the following structure?
a.) Primary constriction where sister chromatids are linked
b.) Consists of several hundred kilobases of repetitive DNA
c.) Prevents abnormal end-to-end fusion of chromosomes
d.) Responsible for chromosome movement at cell division
c.) Prevents abnormal end-to-end fusion of chromosomes
Chromosomed can be classified based on:
a.) number of chromosomes
b.) position of centromeres
c.) based on arms ratio
d.) all of the choices
d.) all of the choices
Which of the following is a correct classification of chromosomes based on the number of centromeres?
I. Monocentric, II. Metacentric, III. Submetacentric
a.) I only
b.) I, II
c.) I, II, III
d.) I, II, III, IV
a.) I only
Morphologically, the following chromosome is: Y
a.) Metacentric
b.) Submetacentric
c.) Acrocentric
d.) Subtelometric
c.) Acrocentric
In this kind of chromosomes, the centromere is located very close to the end of the chromosome that the p arms would not, or barely, be visible. This chromosomes are not present in healthy humans.
a.) 1st is correct, 2nd is incorrect
b.) 1st is incorrect, 2nd is correct
c.) Both statements are correct
d.) Both statements are incorrect
c.) Both statements are correct
True of the above chromosomes (dicentric):
a.) reliably passed from parental to daughter cells
b.) is left at the metaphase plate at anaphase because they lack kinetochores
c.) is the broken fragment left after breaking off from a chromosomal fragile site
d.) fused chromosomes in cases precipitated by Robertsonian translocation
d.) fused chromosomes in cases precipitated by Robertsonian translocation
Select all that is true of the structure (white, telomeres):
a.) present only in nonlinear DNAs of eukaryotes
b.) passed through the matrilineal line
c.) anchors chromosomes to nuclear walls in meiosis
d.) shortens over time with age
C & D
_____ a structure that occurs when a chromosome breaks into two places and its broken ends fuse together.
Ring
Identify this kind of chromosomal aberration that is a product of translocation (BCR-ABL gene)
Gene fusion
P arm length is 1; Q arm length is 1
a.) biggest chromosome in karyotype
b.) last and penultimate autosomes, and male determining chromosome
c.) some chromosome of the Shamrock species of plants
d.) female sex chromosome (2 of them)
a.) biggest chromosome in karyotype (Metacentric)
