Translocations can occur due to: a. Replication slippage b. Homologous recombination c. Heterologous recombination d. Aneuploidy...
Translocations can occur due to:
a.
Replication slippage
b.
Homologous recombination
c.
Heterologous recombination
d.
Aneuploidy
e.
Non-disjunction
Homework Answers
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Translocations can occur due to:
a.
Replication slippage
b.
Homologous recombination
c.
Heterologous recombination
d.
Aneuploidy...
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______...
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______ a) meiosis b) mitosis c) both 3. Homologous recombination in meiosis has the main purpose of_____ a) DNA repair b) Creating new chromosomes c) Sealing double-stranded breaks 4. Strand invasion usually happens without enzymatic assistance. T/F? 5. When replication fork runs into a nick, it results in a_______ a) single-stranded break b) double-stranded break 6. The invading end is usually a _______ a) 3'...
The following figure shows a cell containing a pair of homologous chromosomes. The alleles for the...
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
Translocations can occur between: a. X and Y chromosomes at the pseudoautosomal regions b. Maternal and...
Translocations can occur between: a. X and Y chromosomes at the pseudoautosomal regions b. Maternal and paternal copies of chromosome X c. Maternal and paternal copies of chromosome 1 d. A or C e. A or B
Sister chromatids are produced by: A) mitosis B) meiosis C) chromosome recombination D) chromosome replication E)...
Sister chromatids are produced by: A) mitosis B) meiosis C) chromosome recombination D) chromosome replication E) B and D *****explain your answer please!!!!**
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the...
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the ends of two DSBs can create inversions or translocations. B. Spo11-mediated DSBs initiate meiotic recombination. C. Unrepaired DSBs are lethal to a cell. D. Unrepaired DSBs trigger a checkpoint that arrests cells in G2. E. Cas9 can be targeted to make a DSB at a specific genomic sequence by annealing a small piece of single-stranded DNA that is complementary to the cut site.
Sort the following steps for repairing double-strand breaks by homologous recombination a) Ligation b) DNA synthesis...
Sort the following steps for repairing double-strand breaks by homologous recombination a) Ligation b) DNA synthesis using undamaged DNA as template c) DNA synthesis using original DNA as template d) Release of the invading strand e) Strand invasion f) Nuclease digestion (resection)
Homologous Recombination A. How are the repair of double strand breaks (DSBs) and production of DSBs...
Homologous Recombination A. How are the repair of double strand breaks (DSBs) and production of DSBs for recombination connected? B. How does the general model of strand invasion, branch migration, and resolution of the Holliday junction work? C. How do RecA and RecBCD function to promote recombination? D. Endonuclease activity of RecBCD is greater in the 3'-5' strand, rather than the 5'-3' strand. Describe how this affects strand invasion, branch migration and resolution. E. How is recombination initiated during meiosis...
1 points Saved Robertsonian translocations are better described by which of the following? A. transfer of...
1 points Saved Robertsonian translocations are better described by which of the following? A. transfer of nuclear genes into mitochondria o B. the fusion of two small chromosomes end-to-end such that a double centromere occurs C, unequal crossing-over during meiosis D. a part of one chromosome becomes attached to a non-homologous chromosome E. breaks at or near the centromeres of two acrocentric chromosomes followed by the reciprocal exchange of broken parts
Spontaneous replication errors can be caused by all of the following EXCEP A. tautomeric shift. B....
Spontaneous replication errors can be caused by all of the following EXCEP A. tautomeric shift. B. wobble base pairing. C. intercalating agents. D. slippage. E. Actually, all of these can cause spontaneous errors. Induced mutations can be caused by all of the following EXCEPT: A. wobble base pairing. B. base analogs. C. intercalating agents. D. oxidation. E. Actually, induced mutations can be caused by all of these. Expanding nucleotide repeats are NOT: A. involved with genetic disorders such as fragile-X...
Ionizing radiation and oxidative damage can cause DNA double-strand breaks. A. True. B False Nucleotide Excision...
Ionizing radiation and oxidative damage can cause DNA double-strand breaks. A. True. B False Nucleotide Excision Repair involves recognition of distortions in the DNA double helix rather than specific base changes. A. True. B False Homologous recombination does not occur in prokaryotic cells. A. True. B False Many chemotherapeutic agents are paradoxically DNA damaging agents A. True. B False Meiot.c recombination starts with, double-strand break caused by errors In DNA replication A. True. B False ONA replication origins are typically...
The following figure shows a cell containing a pair of
homologous chromosomes. The alleles for the F gene are indicated on
each chromosome. Which of the following most accurately represents
the configuration of chromosomes within the cell following DNA
replication, prior to meiosis?
Select one:
a.
b.
c.
d.
Which term is used to describe a pair of similar chromosomes in
a cell:
Select one:
a. bifurcates
b. homologous
c. chromatids
d. replicants
Which of the following statements is TRUE...
1 points Saved Robertsonian translocations are better described by which of the following? A. transfer of nuclear genes into mitochondria o B. the fusion of two small chromosomes end-to-end such that a double centromere occurs C, unequal crossing-over during meiosis D. a part of one chromosome becomes attached to a non-homologous chromosome E. breaks at or near the centromeres of two acrocentric chromosomes followed by the reciprocal exchange of broken parts
Spontaneous replication errors can be caused by all of the following EXCEP A. tautomeric shift. B. wobble base pairing. C. intercalating agents. D. slippage. E. Actually, all of these can cause spontaneous errors. Induced mutations can be caused by all of the following EXCEPT: A. wobble base pairing. B. base analogs. C. intercalating agents. D. oxidation. E. Actually, induced mutations can be caused by all of these. Expanding nucleotide repeats are NOT: A. involved with genetic disorders such as fragile-X...
Ionizing radiation and oxidative damage can cause DNA double-strand breaks. A. True. B False Nucleotide Excision Repair involves recognition of distortions in the DNA double helix rather than specific base changes. A. True. B False Homologous recombination does not occur in prokaryotic cells. A. True. B False Many chemotherapeutic agents are paradoxically DNA damaging agents A. True. B False Meiot.c recombination starts with, double-strand break caused by errors In DNA replication A. True. B False ONA replication origins are typically...
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