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प्रश्न
Why only left ovary and oviduct arc present in birds?
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उत्तर १
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
उत्तर २
Only left ovary and oviduct are present in birds to reduce body weight and is an adaptation for flying.
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संबंधित प्रश्न
Transfer of gene between the population that differ genetically from one another is called _____.
(A) Gene mutation
(B) Gene flow
(C) Genetic drift
(D) Genetic recombination
Define Population.
Long answer question.
By taking industrial melanism as one example. Explain the concept of natural selection.
What is Isolation?
What is hybrid sterility?
The change in gene and gene frequencies caused due to various aspects like mutation recombination and migration is called ______.
Which of the following is TRUE for genetic drift?
____________ brings about evolutionary changes by favouring differential reproduction of genes.
Write short note on Gene pool.
Mention the name of a sterile animal produced by intergeneric hybridisation.
