1. Which of the follow are traits that can be used to make a phylogenetic tree?
ID: 148668 • Letter: 1
Question
1. Which of the follow are traits that can be used to make a phylogenetic tree?
a)The bone structure differences between species
b)Similarities in how organs develop between species
c) Based on the differences of the organs found in each species
d)All of the above
E) None of the above
2. Two traits are homologous if:
a)They are what is used to differentiate two population
b)Required for random mating
Any feature that is shared by two or more species
d)All of the above
3. When looking at essential proteins that are conserved amongst different species
a)The only thing to look at is DNA sequence
b)The only thing to look at is a protein sequence
Often the sequences are different but the structures are very similar
d)Sequence alignments will tell you very little
Any feature that is shared by two or more species
Explanation / Answer
Answer 1. Option d
All the options A, B and C are to be considered while constructing phylogenetic tree. This will help us in knowing whether they are related to the ancestor or not? It will also tell the relatedness of different organisms with each other etc.
Answer 2. All of the above.
Homologous traits have similar origin and structure but their function is different. These help in the divergent evolution.
Answer 3. The only thing to look at is the protein sequence.
We need to just see the amino acid sequence because they would be having similar DNA sequences that is why, many amino acids would be common to each other.
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