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allsm [11]
2 years ago
6

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:__________.
Biology
1 answer:
qaws [65]2 years ago
6 0

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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