The dunkers is a religious group which moved from germany to pennsylvania in the 1700's. the dunkers do not mate outside of their small group, and this has led to a change in the frequency of certain genes. the pennsylvania dunkers are now unique for other populations, including their german relatives. which of these best describes this occurred? a) gene flow b) speciation c) genetic drift d) natural selection

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yields by using a new kind of fertilizer. b. a college students is curious about the growth of desert pants in the presence of excess amounts of water. c. government officials are trying to prevent the spread of new strain of influenza virus. d. a doctor is trying to determine why a patient is feeling tried and sick. b.a college students is curious about the growth of desert pants in the presence of excess amount of water

Which allele is expressed in the first-generation offspring of parents that have two different traits? a. the segregated allele b. the true-breeding allele c. the recessive allele d. the dominant allele