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प्रश्न
Industrial melanism is one of the best example for ______.
विकल्प
speciation
natural selection
reproductive isolation
mutation
geographical isolation
adaptive radiation
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उत्तर
Industrial melanism is one of the best example of natural selection.
Explanation:
It demonstrates how environmental changes favor certain traits in organisms. During industrialization, dark-colored moths had a survival advantage over light-colored moths due to better camouflage against pollution-darkened tree trunks. This led to an increase in their population, showing natural selection in action.
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संबंधित प्रश्न
How would the gene flow or genetic drift affect the population in which either of them happens to take place?
Very short answer question.
If variation occurs in a population by chance alone and not by natural selection and brings a change in frequencies of an allele. What is it called?
What is Isolation?
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called __________.
Define the term ‘Mendelian population’.
Reproductive isolation does not occur due to ______.
Which statements are TRUE regarding genetic recombination?
- It occurs in asexually and sexually reproducing organisms.
- They occur due to random union of gametes, anaphasic separation of chromosomes, and crossing over.
- New genetic combinations result in variation.
Ethological isolation is due to differences in ______
Which event is represented by the above diagram, related to chromosomal aberrations?
What is Genetic recombination?
