Until the mid-1940s, many scientists considered proteins to be the likely candidates for the genetic material. Why?
What will be an ideal response?
Proteins are the most abundant, universally distributed components in cells. They were considered likely candidates because of their great structural and functional diversity.
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A gene in a sheep-like species has been found to differ from that in related species by the inclusion of a variable number of tandem repeats of a short sequence. These repeats or duplications arise from what process?
What will be an ideal response?
Inversions are movements of DNA from one chromosome to another
Indicate whether the statement is true or false
Which is the only surviving Asian great ape?
A. Orangutan B. Gorilla C. Chimpanzee D. Monkey E. Gibbon
An unrooted tree linking three species is shown above. Draw all possible unrooted tree conformations when a fourth species, D, is added to the tree
What will be an ideal response?