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7 December, 06:21

For a species with a diploid number of 26, indicate how many chromosomes will be present in the somatic nuclei of individuals that are haploid, triploid, tetraploid, trisomic, and monosomic.

Part A: Haploid

Express your answer as an integer.

Part B: Triploid

Express your answer as an integer.

Part C: Tetraploid

Express your answer as an integer.

Part D: Trisomic

Express your answer as an integer.

Part E: Monosomic

Express your answer as an integer.

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Answers (1)
  1. 7 December, 09:47
    0
    Haploid - 13

    Triploid - 39

    Tetraploid - 52

    Trisomic - 27

    Monosomic - 25

    Explanation:

    A haploid organism has half the chromosome number of a diploid version, hence 26/2 = 13

    A triploid organism has 3 sets of a haploid chromosomes, hence 13 x 3 = 39

    A tetraploid is double of a diploid, 26 x 2 = 52

    Trisomic organisms have one extra chromosome in addition to the normal diploid. Hence 26 + 1 = 27

    Monosomic organism has one less chromosome than the normal diploid. Hence 26 - 1 = 25
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