There are two types of genetic drift. Describe and give an example of the bottleneck effect
What will be an ideal response?
When a once abundant population experiences a drastic decline in its numbers, genetic variability is also reduced. If and when this population increases its numbers, the frequency of alleles will be different from that of the original population simply due to chance. A classic example is the cheetah, as well as the northern elephant seal, and the California condor.
You might also like to view...
Liverworts are the most primitive group of non-vascular plants.
a. Conifers b. Ginkophytes c. Cycads d. Gnetophytes
Stretch-sensitive muscle spindles are indicated
by a. A. b. B. c. C. d. D. e. none of these
Glacier ice occupied about ____% of Earth's land during the last Ice Age, then began retreating about 17,000 years
ago. Today, glacier ice occupies about ____% of the land surface. a. 30; 10. b. 50; 10 c. 73; 50 d. 80; 50 e. 15; 1
Animals that lack a vertebral column are known as
A. supinates. B. aspinates. C. retrogrades. D. invertebrates. E. inarticulates.