Species 1 is described as 2n = 8 and has chromosome composition BBDDEEHH. Specie

Question

Species 1 is described as 2n = 8 and has chromosome composition BBDDEEHH.

Species 2 is described as 2n = 10 and has chromosome composition NNPPSSXXZZ.

Select the best answer to classify the organism below based on its chromosome composition. Note that each letter represents a chromosome and that the organism below is either an individual from one of the species above or is derived from one or both species above.

Organism:     NNPPSSXXXZZ

Select one:

a. Haploid

b. Diploid

c. Monosomic

d. Double Trisomic

e. Allotetraploid

f. Double Monosomic

g. Allotriploid

h. Nullisomic

i. Autotetraploid

j. Trisomic

k. Autotriploid

Explanation / Answer

j. trisomic

Here 3 X chromosomes are found instead of normal 2.

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