Answer:
Vestigial structures do not have a function, yet they are homologous to functional structures in related species. They are important because they provide clues to the ancestry of the organism. Many species look similar as embryos.
Answer:
With alleles 'A' and 'a' there are three possible genotypes AA, Aa and aa
Explanation:
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Why did he??????
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Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
