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:     NNPPPSSXXZZ

Select one:

a. Trisomic

b. Autotetraploid

c. Haploid

d. Autotriploid

e. Diploid

f. Allotriploid

g. Double Trisomic

h. Monosomic

i. Nullisomic

j. Double Monosomic

k. Allotetraploid

Explanation / Answer

Alloploidy is refers to a hybrid individual or cell with two or more sets of chromosomes derived from two different ancestral species. Depending on the number haploid chromosome sets, alloploids are referred to as allodiploids, allotriploids, allotetraploids, allopentaploids, allohexaploids, etc.

Hence, the given condition is Allotriploid

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