BIO 152 Questions with CORRECT Answers

BIO 152 (2) Questions with CORRECT Answers


Question:
Natural Selection
Answer:
Individuals that have certain inherited traits survive and reproduce at higher
rates than other individuals because of those traits.

Question:
Haploid (n)
Answer:
One copy os each chromosome. Prokaryotes

Question:
Diploid (2n)
Answer:
Two copies of each chromosome. Mammals

Question:
Polyploid (_n)
Answer:
Variations such as triploid, or tetraploid. Wheat, potatoes, cotton, frogs,
salamanders

Question:
Evolution
Answer:
Changes in the heritable traits over many populations.

Question:
Artificial Selection
Answer:
Modify other species over many generations using selective breeding practices for
individuals with desired traits.

, Question:
Adaptation
Answer:
A process that might occur when an organism experiences an environmental change. A
trait could evolve that maintains or increases the fitness of an organism.

Question:
Genetic Drift
Answer:
Change in allele frequency over time due to random chance. This have nothing to do
with fitness, and it is not natural selection because it is random.

Question:
Allele Loss
Answer:
An allele has been lost from the population and has 0% frequency.

Question:
Bottleneck Effect, a
Answer:
form of Genetic Drift

Question:
Founder Effect, a
Answer:
form of Genetic Drift

Question:
Sexual Selection
Answer:
Promotes traits that increase an individual's access to reproductive
opportunities, mating preferences and certain phenotypes have a higher chance to
mate than others.