Answer:
The correct answer is D.
Explanation:
Mutation refers to an alteration in the nucleotide sequence of the genome found in an individual. Mutation can be beneficial, harmful or neutral. A mutation is said to be beneficial when its effects add positively to the survival of the organism. On the other hand, a mutation is described as harmful if the effects is negative or neutral if it has no negative or positive effects.
From the options given in this question, you will notice that all of them have beneficial effects with the exception of option D. A mutation that cause uncontrolled cell division is harmful and can lead to cancer.
Answer:
The correct answer is - option B. Molecular. There are more traits used and it is unambiguous.
Explanation:
In this case, there is more than one trait is used, and for the phylogenetic analysis such a case, the molecular method is the best approach.
This method considers the origin of the species or phylogeny of particular species. The molecular approach is preferred for un-ambiguously and multiple traits are used in the molecular approach,
Explanation:
C. The growth of the plants.
