Translocations can occur due to:
a.
Replication slippage
b.
Homologous recombination
c.
Heterologous recombination
d.
Aneuploidy
e.
Non-disjunction
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_______ 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 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 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) B and D *****explain your answer please!!!!**
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)
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...
The alleles of different loci independent assortment of these alleles can result in 80. A. non-allelic B. recombination C. allelic are assorted at random with respect to each other in the gamete and the 80 E. A and C are correct D. homologous gene that lie close to each other on the same pair of homologous chromosome and their alleles do not assorted independently are called- 81. A. homology B. chromatid E. linked genes C.chromatin D. A and B are...
When does recombination occur? A. During meiosis B. In response to a single- or double-stranded break in DNA C. During antibody formation D. When catalyzed by a recombinase E. All of the above