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What term describes random changes in allele frequencies caused by chance, especially in small populations?
Answer
Genetic drift
Which restriction enzyme recognizes the six-base DNA sequence GAATTC?
Answer
EcoRI
In molecular biology, what is the usual start codon on messenger RNA?
Answer
AUG
What was the name of the first bacterium shown to acquire hereditary traits through transformation?
Answer
Streptococcus pneumoniae
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What was the name of the first bacterium shown to acquire hereditary traits through transformation?
Answer
Streptococcus pneumoniae
Which scientist’s 1952 Photograph 51 helped reveal DNA’s helical structure?
Answer
Rosalind Franklin
What is the name of the process that removes introns from a pre-mRNA molecule?
Answer
RNA splicing
Which human genetic disorder results from loss of paternal gene expression on chromosome 15?
Answer
Prader–Willi syndrome
Which type of mutation changes one DNA base into another?
Answer
Base substitution
In human genetics, which inheritance pattern passes a trait from an affected father to all of his sons?
Answer
Y-linked inheritance
Which enzyme removes RNA primers and replaces them with DNA during bacterial DNA replication?
Answer
DNA polymerase I