Explain why genetic analysis provides the most definitive indicator of relatedness among organism

A genetic analysis is a test that aims to analyze DNA, that is, the chemical database that contains the information of the organism.The analysis of various genetic markers in the organisms studied allows to establish a paternal-filial relationship or determine if it exists some kind of shared biological ancestry

Explanation:

To carry out a genetic study, we must study the genetic material stored in our cells. A genetic study is one that includes “the study of DNA, RNA, chromosomes, proteins and certain metabolites, in order to detect genotypes, mutations, phenotypes or karyotypes. All biological kinship tests are based on obtaining and analyzing the genetic material (DNA) of the organisms to be analyzed to study their genetic markers and compare them in each organism.Genetic markers are segments of DNA located at a known position (a locus) on a certain chromosome. Genetic markers are randomly received from biological parents following the rules of simple Mendelian inheritance. The presence of a pattern of genetic markers (called alleles) different from those of their parents would indicate that they are not their biological parents. Analyzing a sufficiently high number of markers could reach a point where, using specific statistical procedures, the studied relatedness link can be confirmed or discarded.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.