The map above shows B blood group frequencies across eastern Asia and far western Europe. There is a gradual change in the chara
cteristic from one population to the next. This pattern is called a:__________.
1 answer:
Answer:
cline
Explanation:
- When a measurable gradient is seen in a particular character across population living in a geographical range then this gradient is termed as cline.
- The clines can either be abrupt or continuous across a given geographical range.
- Clines arise due to two factors - gene flow as well as selection.
- In a map the clines are represented by lines that indicate the changes in character from one end to another across a geographic range.
- Therefore, the B blood group frequency changes in a map across eastern Asia and far western Europe form a pattern which is termed as a cline.
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