Suppose That There Are Three Species That Are Closely Related

question 31

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Suppose that there are three species that are closely related as indicated by the phylogenetic tree below. Each species contains only one copy of a particular gene. The version in Species A is designated Gene_A, and so on. The relationships among the three versions of the gene in the different species are shown below. Explain in terms of duplications and/or deletions the incongruity between the phylogenetic (species) tree and the gene tree.

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Definitions:

Total Ordering Costs

The sum of all expenses involved in placing an order, including logistic, administrative, and product costs.

Holding Costs

Expenses incurred from maintaining and storing inventory, such as warehousing costs, insurance, and deterioration losses.

Inventory Quantity

The total number of units of a specific product or category of products that are held in stock by a business at a given time.

Lot

A distinct batch or quantity of material bought or sold, often considered as a single unit in stock trading or production.