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Which one of the following is not an agent of evolutionary change?
Q4: A zygote divides into smaller cells,each called
Q11: Which of the following proteins is associated
Q24: Sickle cell anemia is caused by a
Q28: If a XY individual had a deletion
Q31: Which of the following DNA sequences is
Q33: Living organisms can be divided into _
Q34: Occasionally,chromosomes fail to separate during meiosis,leading to
Q35: A virgin pine forest covers a valley,and
Q36: The process in which an RNA polymerase
Q58: In Drosophila,the first mRNA to be transcribed