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Heteroplasmy is associated with inheritance patterns involving


A) nuclear
B) paternal DNA
C) chloroplasts
D) mitochondria
E) imprinted

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What gene is encoded in the Xic?


A) Xce
B) Xist
C) TsiX

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In maternal effect, the of the mother determines the of the offspring.


A) phenotype, genotype
B) genotype, phenotype
C) rRNA, tRNA
D) imprinting, genotype
E) None of the answers are correct

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Which of the following is true regarding mtDNA?


A) It is around 17,000 bp in length
B) It is a circular chromosome
C) Multiple copies exist in each mitochondria
D) It mostly contains rRNA and tRNA genes
E) All of the answers are correct

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mtDNA stands for and cpDNA stands for .


A) extranuclear DNA, cytoplasmic DNA
B) maternal DNA, paternal DNA
C) marked DNA, copied DNA
D) nuclear, cytoplasmic
E) mitochondrial DNA, chloroplast DNA

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What genes appear to be controlled by the Xce?


A) Xist and Tsix
B) Xist
C) TsiX

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Monoallelic expression is associated with which of the following?


A) X-inactivation
B) Genomic imprinting
C) Maternal inheritance
D) Extra nuclear inheritance

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A symbiotic relationship where one organism lives inside another species is called .


A) cytoplasmic inheritance
B) heteroplasmy
C) paternal leakage
D) endosymbiosis
E) None of the answers are correct

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The coat color of calico cats is a result of .


A) Maternal inheritance
B) X-inactivation
C) Imprinting
D) Extra nuclear inheritance

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Where is extra nuclear DNA located in mammalian cells?


A) Endoplasmic reticulum
B) Mitochondria
C) Ribosome
D) Plasma membrane

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What gene is most responsible for X-inactivation?


A) Xic
B) Xist
C) TsiX
D) Xce

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How many Barr bodies would an individual with a XXY genotype possess?


A) 0
B) 1
C) 2
D) None of the answers are correct

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Most imprinted genes are silenced. What is one exception to this rule?


A) H19
B) Igf-2
C) UBE3A
D) SNRPN

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What are some diseases associated with imprinting?


A) Angelman Syndrome
B) LHON
C) Alzheimer's Disease
D) All of the answers are correct

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The inheritance patterns of genetic material that is not contained in the nucleus of the cell is called .


A) extranuclear (or cytoplasmic) inheritance
B) maternal effect
C) imprinting
D) nuclear
E) epigenetic

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What type of inheritance is observed with extra nuclear DNA?


A) Mendelian inheritance
B) Sex-linked inheritance
C) Paternal inheritance
D) None of the answers are correct

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Who is largely responsible for proposing the endosymbiosis theory?


A) Schimper, Wallin, Margulis
B) Lyon, Margulis, Schimper
C) Schimper, Wallin, Barr
D) Barr, Lyon, Margulis

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cpDNA contains which of the following types of genes?


A) rRNA
B) tRNA
C) Genes for photosynthetic pathways
D) All of the answers are correct
E) Both rRNA and tRNA

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