A change in the DNA sequence is known as a:
Mutation
Adaptation
Speciation
Migration
Related Questions
The original drifted population becomes founders and the effect is called
Genetic drift
Founders effect
Stabilising effect
Hedge effect
Genetic drift is most likely to significantly impact allele frequencies in:
Large, interconnected populations
Small, isolated populations
Populations with high mutation rates
Populations undergoing strong natural selection
The theory of random genetic drift was proposed by
Hardy –Weinberg
R A Fischer
Sewall Wright
Mayr
Which of the following factor would affect the future population?
Mutation in sperm or egg
Exercise daily
Mutation in somatic cell
2nd and 3rd
Which population size is most susceptible to genetic drift?
A large, interconnected population
A small, isolated population
A population with high gene flow
A population undergoing natural selection
In a random mating population, frequency of disease causing allele is 80%. What would be the frequency of carrier individuals in that population.
0.16
0.32
0.64
1
A small, isolated island population of finches experiences a drastic reduction in population size due to a volcanic eruption. The surviving finches have a different average beak size compared to the original population. This change is primarily attributed to:
Directional selection
Founder effect
Bottleneck effect
Disruptive selection
Select the examples which favours the mutational theory of evolution
I. Ancon sheep II. Hornless cattle
III. Cicer gigas IV. Novel oranges
V. Hairless cat VI. Double toed cat
The correct combination is
I, II, III, IV, V
I, II, IV, V, VI
II, III, IV, V, VI
I, III, IV, V, VI
A change in the relative abundance of an allele (the allelic frquency) within a population, over a succession of generations is called
Micro-evolution
Macro-evolution
Co-evolution
Phylog-enetic evolution
Which scientist proposed that mutations are the driving force of evolution?
Charles Darwin
Jean-Baptiste Lamarck
Hugo de Vries
Gregor Mendel
