Advertisements
Advertisements
Question
The graphs below show three types of natural selection. The shaded areas marked with arrows show the individuals in the population who are not selected. The dotted vertical lines show the statistical means.
![]() |
![]() |
![]() |
| character Graph A |
character Graph B |
character Graph C |
- What names are given to the types of selection shown in graphs A, B and C?
- After the selection has operated for several generations in the above populations indicated as, Graph A, B and C, graphically illustrate the probable results.
Advertisements
Solution
- A - stabilising; B - directional; C - disruptive;
- Graph A - Stabilising
Graph B - Directional
Graph C - Disruptive
APPEARS IN
RELATED QUESTIONS
What does the following equation represent? Explain:
p2 + 2pq + q2 = 1.
p2 + 2pq + q2 = 1. Explain this algebraic equation on the basis of Hardy Weinberg's principle.
According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?
Very short answer question.
State the Hardy – Weinberg equilibrium.
A population will not exist in Hardly Weiberg equilibrium if ____________.
In the Hardy-Weinberg equilibrium equation, the homozygous mutant is represented as ______.
Which type of selection explains industrial melanism observed in moth, Biston bitularia?
Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values?
How is Hardy-Weinberg's expression “(p2 + 2pq + q2) = 1” derived?
A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:
The number of carrier fruit flies.



