Question

Each tip (sp 1-4) represents a different species of ant. Species 1 is the outgroup. Of species 3 and 4 possessed a Thymine a nucleotide position 45, while species 1, and 2 possessed an Adenine, then what kind of character is the A nucleotide at position 45?A. Convergent.B. Homoplasious.C. Derived.D. Ancestral.

Answer 1

Answer:

C. Derived

Explanation:

Derived kind of character is the A nucleotide at position 45.

Derived character:  Derived kind of character is one that evolved in the lineage and  leading up to a clade and that sets members of that clade apart from other individuals

Example of a derived character:  the loss of a tail, a trait that first appeared in an ancestor of apes and man.

Answer 2

In this case, the type of character is the A nucleotide at position 45 is - C. Derived.

The derived characters or traits are that arose in the most recent common ancestor and passed on the lineage. It can be referred to as traits that are not present in older ancestors but in recent lineage.

• in this case, the presence of nucleotide at position 45 in species 1, and 2 are shows ancestor character as it is not present in Of species 3 and 4 possessed a Thymine a nucleotide position 45 are derived.
• Convergent evolution occurs when the trait is evolved independently in two groups, which is not present here.
• Homoplasoius traits are those which are not found in the common ancestor also incorrect as it is not the case here.

Thus, the type of character is the A nucleotide at position 45 is - C. Derived.

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