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प्रश्न
List two reasons for the appearance of variations among the progeny formed by sexual reproduction
उत्तर
Two reasons for the appearance of variations among the progeny formed by sexual reproduction are
- Sexual reproduction results in new combinations of genes which are brought together during the formation of gametes.
- Gene combinations are different in gametes.
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संबंधित प्रश्न
If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
How does the creation of variations in a species promote survival?
Which of the processes, sexual reproduction or asexual reproduction, bring about maximum variations in the offsprings?
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Name an animal in which individuals can change sex. What does this indicate?
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In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Variation is high in sexually reproducing organisms compared to asexually reproducing organisms.
Reason: Inaccuracies during DN A copying give rise to variation.
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Exchange of genetic material takes place in
How are variations useful for species if there is drastic alteration in the niches?
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During reproduction inheritance of different proteins will lead to altered body designs.
- Assertion: The probability of survival of an organism produced through sexual reproduction is more than that of an organism produced through asexual mode.
- Reason: Variations provide advantages to individuals for survival.
