Among known plant species, which of these have been the two most commonly occurring phenomena that have led to the origin of new species?

A) allopatric speciation and sexual selection
B) allopatric speciation and polyploidy
C) sympatric speciation and sexual selection
D) sympatric speciation and polyploidy


D

Biology & Microbiology

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The wavelength of visible light with the highest energy is:

a. violet b. blue c. yellow d. orange e. red

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Fragile X syndrome and Huntington disorder are examples of what type of mutation?

a. frameshift b. base-substitution c. expansion d. transposable element e. point

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What is the hypothetico-deductive method of investigation?

What will be an ideal response?

Biology & Microbiology

Typical eukaryotic genomes are composed of ________ chromosomes

A) multiple linear B) multiple circular C) a single circular D) a single linear E) both linear and circular

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