An allele is:
A. one of several forms of a gene.
B. the particular combination of genes for a
given trait in a given organism.
C. the expression of a trait in an individual.
D. the location of a gene on a chromosome.
E. none of these.
A
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Seeds of many plants fall to the ground when they mature. This is an example of a characteristic that is influenced by
____.
a. basic physical laws b. adaptive evolution c. chance events d. genetic drift e. neutral mutations
Volume increases by the __________ of the
diameter, and surface area increases by __________ of the diameter. a. square; doubling b. square; the cube c. cube; the square d. cube; the cube e. none of these
Most grasses tolerate grazing and actually benefit from it
Indicate whether the statement is true or false
Which substance is a fossil fuel?
A) vegetable oil B) coal C) hydrogen gas D) wood