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The evolution of numerous species, such as Darwin’s finches, from a single ancestor is called
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If a new allele suddenly becomes very abundant in, a population, most likely it is
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In evolutionary terms, an organism’s fitness is measured by its
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Dominant gene for tallness is T and for yellow colour is Y. A plant heterozygous for both the traits is selfed, then the ratio of pure homozygous dwarf and green offspring would be
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The ratio of phenotypes in F2 of a monohybrid cross is
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The flightless bird, Kiwi is found in
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Evolutionary convergence is characterized by
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Most primitive living mammals which provide an evidence of organic evolution from geographical distribution are found in
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Presence of temporary gill pouches in embryos of snakes, birds and mammals indicates that
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A mother of blood group O has a group O child. The father could be?
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A dwarf pea plant was treated with GA. The plant became tall. The treated plant was then crossed with a homozygous tall pea. The results in F2 are expected to be
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In Melandrium, sex determination is of