1. Members of the same species which are capable of interbreeding is best described as a(n):

community
population
ecosystem
biosphere
intron

2. If 16% of the persons in a population show a recessive trait, what is the allelic frequency for the dominant allele?

4%
16%
84%
96%
99%

3. For a particular human population, if the allelic frequency of the O allele for blood type was .1, and the frequency for the B allele was .5, what would be the allelic frequency for the A allele?

.1
.2
.3
.4
.5

4. In the following population, what would be the allelic frequency for the dominant allele? 20 homozygous recessives; 320 homozyous dominants; 160 heterozygotes

10%
20%
60%
70%
80%

5. If four percent of a population shows a recessive trait, what will be the frequency of carriers in the following generation?

4%
8%
16%
32%
64%

6. If there is only one allele for a gene in a population, that gene is referred to as:

monoallelic
fixed
common
monocistronic
histoincompatible

7. Which of the following would cause deviation from the Hardy-Weinberg equilibrium?

small population
isolated
random mating
lack of selection pressure
no mutations

8. If 36% of the population is heterozygotes for a certain gene, what percentage of the population will show the recessive phenotype in the next generation?

4%
8%
16%
34%
need more information to determine

9. Which of the following formulas lets you predict the genotypic frequency of the next generation?

p + q = 1
X² = sum [(o - e)² / e]
p² + 2pq + q² = 1
d = 0.5 lambda / n * sin (theta)
e = mc²

10. The total aggregate of alleles in a population is referred to as:

the gene pool
the allelic frequency
the genotypic frequency
the genetic structure
none of these