Cytochrome-c is a protein found in most organisms - VCE - SSCE Biology - Question 21 - 2007 - Paper 1
Question 21
Cytochrome-c is a protein found in most organisms. The amino acid sequence of this protein varies between species. The numbers of differences in the amino acid seque... show full transcript
Worked Solution & Example Answer:Cytochrome-c is a protein found in most organisms - VCE - SSCE Biology - Question 21 - 2007 - Paper 1
Step 1
A. Species A, B
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This option suggests a direct relationship between species A and B without accounting for species C, which does not align with the data provided.
Step 2
B. Species A, C
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This configuration indicates that species A and C share a more significant common ancestry, as they have fewer differences (3) between them compared to species B.
Step 3
C. Species A, B
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Similar to option A, this implies a direct relationship without consideration of the differences and relationships with species C.
Step 4
D. Species B, C
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This arrangement indicates a direct relationship between species B and C, which does not accurately represent the data showing more differences between these two species.
