a mutation that inactivates a gene required for apoptosis in the digits of developing mice would result in .

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

the answer you are looking for is the united states forest service.

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