Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
Which of the following is NOT an example of natural cloning in invertebrates?
regeneration in starfish
the production of twins in humans
budding in Hydra
fragmentation in worms
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What are genetically identical offspring resulting from natural cloning in vertebrates called?
monozygotic twins
sibling twins
dizygotic twins
fraternal twins
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In artificial embryo twinning, when are the cells split to produce multiple identical offspring?
after the cells have differentiated
when the embryo has been implanted into a surrogate mother
when the cells are no longer totipotent
before the cells start to differentiate
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What is the process of transferring a nucleus from a somatic cell into an ovum to form an embryo called?
pharming
natural cloning
somatic cell nuclear transfer
artificial embryo twinning
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In somatic cell nuclear transfer, what happens to the ovum before the somatic cell nucleus is transferred?
it is left unchanged
it is enucleated
it is fertilised
it is implanted into a surrogate mother
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Which of the following is NOT a step in somatic cell nuclear transfer?
fusing the somatic nucleus with the enucleated ovum
enucleating an ovum
removing a somatic cell nucleus from an adult animal
fertilising the ovum with sperm
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Which of the following is a valid argument against animal cloning?
low costs mean it is done too frequently
increased genetic diversity increases disease risk
potential for shorter lifespans in clones
lack of technical complexity mean it is done without appropriate safety measures
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Which of the following statements about somatic cell nuclear transfer (SCNT) is true?
it can take many ova to produce a single cloned offspring
it has low failure rates
it is a highly efficient process
it requires only a few ova to produce a cloned offspring
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Which of the following is NOT a step in artificial embryo twinning?
fusing the embryo with an enucleated ovum
fertilising the ova in a Petri dish to create an embryo
treating a female organism with hormones to produce multiple ova
splitting the embryo while the cells are still totipotent
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In somatic cell nuclear transfer, the somatic nucleus is often fused with the enucleated ovum via .
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State 2 applications of animal cloning and briefly explain how each application benefits from the use of cloning technology.
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