Any change in the nucleotide sequence of DNA is called a
A) mutation.
B) frameshift.
C) base substitution.
Answer: A
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Which process ensures that seeds produced in temperate climates will not germinate before spring?
a. dormancy b. scarification c. vernalization d. dispersal
Which of the following statements is true concerning
Streptococcus pneumoniae? a. About half of known strains are resistant. b. It can cause meningitis and ear infections. c. Crowding helps it spread. d. Resistance arises by horizontal gene transfers. e. All of these are true.
Many human behavioral traits
A. show genetic heterogeneity with the same phenotype resulting from different genes. B. are due to dominant genes. C. are a result of mutations in structural genes. D. show genetic heterogeneity with the same phenotype resulting from different genes and are due to dominant genes. E. none of these.
In a population of 10,000 individuals, in which 3600 are MM, 1600 are NN, and 4800 are MN, what are the frequencies of the M alleles and the N alleles?
What will be an ideal response?