Heredity and Evolution
The technique of establishing evolutionary relationships based on changes accumulated in the DNA is known as _______ .
DNA analysis
fossil analysis
molecular phylogeny
genetics
molecular phylogeny
Molecular phylogeny is the technique that employs comparison of changes accumulated in the DNA of an organism over generations to establish evolutionary relationships. This approach is based on the idea that organisms which are more distantly related will accumulate a greater number of differences in their DNA.
molecular phylogeny Molecular phylogeny is the technique that employs comparison of changes accumulated in the DNA of an organism over generations to establish evolutionary relationships. This approach is based on the idea that organisms which are more distantly related will accumulate a greater number of differences in their DNA.
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Human cells have ______ pair(s) of autosomes.A. 23
B. 2
C. 22
D. 1
According to fossil discovered up to present time, the origin and evolution of man started from:
A. France
B. Java
C. Africa
D. China
Human baby will be a male if its 23rd chromosome pair is:
A. XX
B. XY
C. X
D. XXX
The evolution of vegetable broccoli belonging to the cabbage family is an example of:
A. natural selection
B. artificial selection
C. elimination
D. speciation
The figure below depicts a situation where a rare variation has become common. The green coloured beetle population has become common because it gave them a survival advantage. This is an example of:
A. Artificial selection
B. Natural selection
C. Accidental selection
D. Random selection
In evolutionary terms, we have more in common with a:
A. monkey
B. rat
C. chimpanzee
D. gorilla
The preserved traces of living organisms are known as:
A. Humus
B. Crust
C. Skeleton
D. Fossils
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