15. Raphanobrassica is a classical example of
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16. How does dosage compensation in Drosophila occur?
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17. Hairy wing character of Drosophila is due to
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18. A diagram depicting chromosomes of haploid set of an organism ordered in a series of decreasing size is known as
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19. A cross shaped (+) or a ring involving four chromosomes may be formed during metaphase I in case of
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20. Incase of inversion when the inverted segment of chromosome includes centromere, it is known as
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21. Exchange of segments between non homologous chromosomes is best known as
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