Question

In: Biology

W hy is D the answer? Why does it not indicate the same relationship among whales...


W hy is D the answer? Why does it not indicate the same relationship among whales and other groups?

f 4, which of the following phylogrnies does not indicate the same relationship among whales and otlier groups? E All the above show the same relationship g Each phylogeny slows a different relationship
f 4, which of the following phylogrnies does not indicate the same relationship among whales and otlier groups? E All the above show the same relationship g Each phylogeny slows a different relationship

Solutions

Expert Solution

1. a and b are the same tree but drawn in opposite orientation.

2. a, b, c and e share the same phylogenetic relationships. A close look into the trees reveal that the whale along with the other animal (?) form a separate group and have evolved the most.

3. In a, b, c and e, whale and camel has same the phylogenetic distance (relationship), which is not found in case of d. In a, b, c and e, camel has evolved the least and is close to the root. But in case of d, camel shares a common group with deer (?). This alters the phylogenetic distance between whale and camel.

Thus, the tree in d is different and does not indicate the same relationship between whale and other animals.


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