Express the Sum Using Summation Notation with a Lower Limit $$13 + 16 + 19 + 22 + \ldots + 37$$

question 208

Multiple Choice

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
- $$13 + 16 + 19 + 22 + \ldots + 37$$

• A) \(\sum _ { k = 1 } ^ { 10 } 7 + 3 k\)
• B) \(\sum _ { k = 0 } ^ { 24 } 7 + 3 k\)
• C) \(\sum _ { k = 2 } ^ { 24 } 7 + 3 k\)
• D) \(\sum _ { k = 2 } ^ { 10 } 7 + 3 k\)

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Definitions:

Discordant

Describing things that are at variance, in conflict, or not in harmony with each other.

Gene Tree

Gene tree refers to the branched genealogical lineage of homologous alleles that traces their evolution back to an ancestral allele.

Species Tree

A representation of the evolutionary relationships among various species based on genetic data.

Coalescence Time

The time in the past where two or more gene sequences found in a sample population have a common ancestor.