Quiz Online Uji Nyali 3 Biologi Dasar: Mikro- & Makroevolusi

1. The two main causes of microevolution are genetic drift and natural selection

TRUE

FALSE

2. Gene flow is genetic exchange due to migration of fertile individuals or gametes between populations.

TRUE

FALSE

3. A change in an organism’s DNA.
13. B1J008125 SLAMET KHANIFUDIN1)50 2)100

Mutation

Migration

Genetic drift

Nonrandom mating

Selection

4. Inbreeding

Increases the rate of mutation

Increases the proportion of homozygous individuals in a population

Never occurs in plants

All of the above

None of the above

5. Evolution on the scale of populations, called ________, is defined as a change in the allele frequencies in a population

Microevolution

Macroevolution

Gene pool

Genetic drift

6. Factor can alter the allele frequencies in a population:

Genetic drift

Natural selection

Gene flow

Mutation

All of the above

7. What is the ultimate source of genetic variability?

Mutation

Migration

Genetic drift

Nonrandom mating

Selection

8. Which of the following factors is most likely to contribute to gene flow between populations?

Random mating

Migration

Mutation

Genetic drift

Inbreeding

9. The effects of natural selection may be countered by

Gene flow

Genetic drift

Mutation

Inbreeding

10. The random loss of alleles in a population is called _________

Mutation

Selection

Genetic drift

Gene flow