BotanyHow many phenotypes are possible if a character is controlled by four pairs of polygene?

How many phenotypes are possible if a character is controlled by four pairs of polygene?

  1. A

    4

  2. B

    5

  3. C

    7

  4. D

    9

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    Solution:

    If n = the number of gene pairs, then (2n + 1) will determine the total number of categories of phenotypes.
    Therefore, if a character is controlled by four pairs of polygene , the number of phenotypes= 2x4+1=9

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