Within a large population, if no mutations occur, no migration occurs, all matings are random, and each individual has an equal chance of reproducing, which of the following will probably happen?
A) No evolution will occur.
B) Natural selection will occur at the normal rate for that species.
C) A change in allele frequency will lead to rapid evolution.
D) Extinction will result.
E) A bottleneck will occur.
A
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chromosome ____________________. Fill in the blank(s) with the appropriate word(s).
Leaves and flowers exhibit indeterminate (determinate) growth
____________________ Indicate whether the statement is true or false.
Because incidence takes into account both old and new cases, it is an indicator of the spread of a disease.
A) True B) False
A urine sample collected directly from the urinary bladder
A) is sterile. B) contains fewer than 100 pathogens/ml. C) contains fewer than 10,000 pathogens/ml. D) contains more than 100,000 pathogens/ml. E) has leukocyte esterase.