Which of the following are pairs of analogous organs?
I. Forelimbs of horse – Wings of bat
II. Wings of bat – Wings of butterfly
III. Forelimbs of horse – Wings of butterfly
IV. Wings of bird – Wings of bat
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Q3
Study the following statements I. Wings of birds and wings of bats are homologous organs. II. Wings of birds and wings of insects are modified forelimbs. III. Wings of birds and wings of insects are analogous organs. IV. Wings of birds and forelimbs of horse are homologous organs. The correct statements are
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Q4
Wing of bird and wing of insect exhibit
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Q5
Choose the correct answer from the alternatives given.
In fruit flies, the long wing is dominant to the vestigial wing. When heterozygous long-winged flies were crossed with vestigial-winged flies, 192 offsprings were produced. Of these, 101 had long wings and 91 had vestigial wings. If an exact Mendelian ratio had been obtained, then the number of each phenotype would have been Long-winged: vestigial-winged.