Which of the following provides most of the genetic variation found among individuals in plant and animal populations?
a. Sexual reproduction
b. Mutations
c. Sexual selection
d. Geographic isolatio
e. Asexual reproduction
Answer: a. Sexual reproduction
Biology & Microbiology
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Heat is required for the polymerase chain reaction. Indicate whether the statement is true or false
Biology & Microbiology
In humans, a large number of genes associated with immune function share sequence similarity and are evolutionarily related. These would be known as what kind of group?
What will be an ideal response?
Biology & Microbiology
Refer to Exhibit 4 A. The overall, net ionic charge on this peptide at pH = 7 would b
a. +2 b.+1 c. 0 c. -1 d. -2
Biology & Microbiology
Pulmonary veins carry
A. a mixture of oxygenated and deoxygenated blood. B. deoxygenated blood. C. oxygenated blood.
Biology & Microbiology