152 Evolution Exam- Funeral Directing Questions And Answers

In a particular region of the coast, limpets (a type of mollusc) live on near shore habitats that are uniformly made up of brown sandstone rock. The principle predators of these limpets are shorebirds. The limpets occur in two morphs, one with a light colored shell and one with a dark colored shell. The shorebirds hunt by sight and are able to see the light ones on the dark sandstone easier than the dark ones. {Ans: no selection}Which of the following is FALSE regarding Genetic Drift? (A) Genetic Drift occurs more rapidly in smaller populations (B) In populations of finite size, random changes in allele frequency occur at each generation (C) Genetic Drift could lead to inbreeding due to loss of alleles (D) Genetic Drift occasionally leads to the generation of favorable alleles {Ans: (D) Genetic Drift occasionally leads to the generation of favorable alleles}Prior to the Mongolian invasions which occurred between the 6th and 16th centuries, the frequency of blood type B across Europe was close to zero. The frequency of blood type B among the Mongols was relatively high. Today, it is possible to see fairly high frequencies of blood type B in the eastern European