Which of the following best describes the genetic basis of behavior?
A. Most behaviors are influenced by many
genes.
B. A few behaviors are strongly influenced by
a single gene.
C. A few rare behaviors have no genetic
basis at all.
D. Most behaviors are influenced by many
genes, and a few behaviors are strongly
influenced by a single gene.
E. Most behaviors are influenced by many
genes, a few behaviors are strongly
influenced by a single gene, and a few rare
behaviors have no genetic basis at all.
D
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In some species, the sex of the future individual is determined by environmental conditions and not by sex chromosomes. Which species determines its sex by temperature?
a. birds b. fruit flies c. frogs d. rabbits e. zebras
Which of the following is not present during the Calvin cycle?
A. CO2 B. ATP C. NADPH D. O2 E. All are present during the Calvin cycle.
Which of these is not a type of noncoding human DNA?
A. repeated sequences B. multigene families C. structural DNA D. highly condensed DNA close to centromeres and telomeres
This is the type of bonding characterized by sharing of electrons
What will be an ideal response?