What is the main advantage of using rodents instead of primates as model organis

Question

What is the main advantage of using rodents instead of primates as model organisms in biomedical research?

A. Rodents are more readily available and cheaper than primates

B. They are closer to mammalian relative to humans

C. Evolutionary relationships are easily to study

D. Their genes are highly conserved

During a crime scene investigation, a single human hair is found as evidence. What biotechnology method will likely be necessary in order to obtain a workable quantity of DNA?

A. RFLP analysis

B. DNA microarray

C. Southern blot

D. Polymerase chain reaction

Immortal genes

A. Have been conserved through at least two billion years of evolution

B. Are the result of the modern synthesis of evolution

C. Are the ones that control cell morphology

D. Control the RNAi in some species

A. Rodents are more readily available and cheaper than primates

B. They are closer to mammalian relative to humans

C. Evolutionary relationships are easily to study

D. Their genes are highly conserved

Explanation / Answer

1.because they are less expensive, breed quickly and readily available.

Rodents mainly are easily available than chimps etc.

2.Polymerase chain reaction.

This reaction is used to amplify quantity of DNA sample through three steps: denaturation, Annealing and extension.

3.have been conserved for million of years.

Immoral gene refers to genes that haven't undergone any mutation.They have been maintained during evolution.

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