Question

A certain segment of DNA can be used as a molecular clock. Its rate of mutation is one mutation per 10 million years. Examine the DNA segments from two different species:

Species A: CTTAAGCTAGTAAGGACC
Species B: CATAAGTTAGTAAGGTCC

Using this example, explain how this information can be used to determine how long ago these two species shared a common ancestor.

Answer 1

The approch remains same when we are using computaional method. scoring matrices are used to calculate divergance. method is calibrated by combining with other methods. Its just complicated.

that is all i really know sorry hun

Answer 2

ihts ok

Answer 3

(: Wish i knew more haha

Answer 4

I have to get off. i am sorry. bye (:

Answer 5

bye hun