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CBSE Class 10 Answered

Does variation occur in asexually reproducing organisms? Justify.
Asked by mukuladithya | 11 Aug, 2020, 05:58: PM
Expert Answer
In asexual reproduction an exact genetic copy of the parent organism is produced. Unlike sexual reproduction, asexual reproduction only introduces genetic variation into the population if a random mutation in the organism's DNA is passed on to the offspring.
Answered by Sheetal Kolte | 12 Aug, 2020, 11:54: AM

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CBSE 10 - Biology
Two human beings who can both roll their tongues produced 11 children. 3 of these children could not roll their tongues and 8 children could roll their tongues. (a) Which trait (rolling or not rolling) is controlled by the recessive allele? (b) State all possible genotypes of the F1 generation of the cross. Show the inheritance of the tongue rolling in humans in the given example using a suitable cross. What percentage of offspring will show the same genotype as the parents? OR (c) If one of the parents could not roll their tongue, with the help of a cross, calculate the ratio of tongue- rollers to non-tongue-rollers in the off springs.​
Asked by Venkata Raman | 06 Feb, 2023, 06:59: PM
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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CBSE 10 - Biology
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