Which of the following represents a challenge in applying the molecular species

Question

Which of the following represents a challenge in applying the molecular species concept?

a. Many deleterious mutations in the gene of interest

b.Large sections of DNA that code for important structural proteins

c.Disagreement over how different two individuals must be to be considered separate species

d.Low levels of vicariance in the population that make speciation more likely

a. Many deleterious mutations in the gene of interest

b.Large sections of DNA that code for important structural proteins

c.Disagreement over how different two individuals must be to be considered separate species

d.Low levels of vicariance in the population that make speciation more likely

Explanation / Answer

The option a is correct. Molecular species concept (MSC) needs the identification of species through various molecular markers, DNA sequence alignment reconstruction of genetic relatedness or evolutionary relationships, and phylogenetic studies. Therefore, if the deleterious mutations occur, many desired area of gene like makers and others get delete and then lead to difficulty in considering the MSC.

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