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प्रश्न
Overproduction is the principle of
(A) Lamarckism
(B) Theory of organic evolution
(C) Panspermia theory
(D) Modern theory of evolution
उत्तर
(B) Theory of organic evolution
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संबंधित प्रश्न
Define the term gene flow.
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 hybrid sterility?
Explain Geographical Isolation
Write down the three main concepts of the modern synthetic theory.
Identify the method of reproductive isolation, when members of a population attain sexual maturity at different times preventing interbreeding.
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.
Which event is represented by the above diagram, related to chromosomal aberrations?
Which of the following is a pre-mating mechanism of isolation?
What is reproductive isolation?
