6. A group of scientists are studying species distribution in a hypothetical for

Question

6. A group of scientists are studying species distribution in a hypothetical forest. The scientists made two important discoveries: (a) the forest is predominantly composed of a single tree species, and (b) they found one unusually large tree, which is similar to the other members of the species except its large size. (1 pt) a. Is this tree more likely to be an allopolyploid or an autopolyploid? Why? b. How would you determine the cause of the large size is polyploidy and not another factor such as differences in soil nutrients?

Explanation / Answer

a. The tree is autopolyploid. As allopolyploid is an organism whose cells have multiple sets of chromosomes derived from a different species.

It is written clearly in the question itself that all trees are of same species. So, the tree has to be autopolyploid.

b. We can do genetic analysis. As There is only one tree which is tall.. If it was due to soil nutrients then few more trees of that region should have been tall....

So, it's logical also and can also be proven by doing the chromosomal analysis.

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