Three species of lizard, labeled A, B, and C, are being studied using molecular analysis by two research colleagues in different laboratories. The mitochondrial DNA of lizards A and B are compared and are found to differ by 0.1%. The ribosomal RNA of lizards B and C are found to differ by 0.02%. They compare their findings and conclude that lizard B is more closely related to C than to A. What is the flaw in their reasoning, and how can their analysis be improved?

They applied different mathematical formulas for their computations. They should recalculate using the same formulas.
They compared different molecules which have different mutation rates. They should compare same molecule in the lizards.
They only made one measurement each. They should repeat their measurements to reduce the uncertainty in their results.
They used different equipment for analyzing the molecules since they work in different labs. They should work in the same lab.

Question

Three species of lizard, labeled A, B, and C, are being studied using molecular analysis by two research colleagues in different laboratories. The mitochondrial DNA of lizards A and B are compared and are found to differ by 0.1%. The ribosomal RNA of lizards B and C are found to differ by 0.02%. They compare their findings and conclude that lizard B is more closely related to C than to A. What is the flaw in their reasoning, and how can their analysis be improved?

They applied different mathematical formulas for their computations. They should recalculate using the same formulas.
 They compared different molecules which have different mutation rates. They should compare same molecule in the lizards.
 They only made one measurement each. They should repeat their measurements to reduce the uncertainty in their results.
 They used different equipment for analyzing the molecules since they work in different labs. They should work in the same lab.

daddy_bixch · Answer

@TheCatMan

daddy_bixch · Answer

@pooja195

leenathan · Answer

hi welcome to openstudy!!!
btw next time you make an account please use appropriate words even if it is implied there are kids on  the website

thecatman · Answer

try posting in science you can get better help there. welcome to open-study

daddy_bixch · Answer

@TheCatMan idk how to post it to science

leenathan · Answer

do you see the word mathematics?  there's a sort of  arrow pointing down, try to fid science and click on it

leenathan · Answer

find*